diff --git a/backend-node/src/controllers/reportController.ts b/backend-node/src/controllers/reportController.ts
index 5f755947..c6605d3e 100644
--- a/backend-node/src/controllers/reportController.ts
+++ b/backend-node/src/controllers/reportController.ts
@@ -3067,8 +3067,8 @@ export class ReportController {
           children.push(new Paragraph({ children: [] }));
         }
 
-        // 워터마크 헤더 생성 (워터마크가 활성화된 경우)
-        const watermark: WatermarkConfig | undefined = page.watermark;
+        // 워터마크 헤더 생성 (전체 페이지 공유 워터마크)
+        const watermark: WatermarkConfig | undefined = layoutConfig.watermark;
         let headers: { default?: Header } | undefined;
 
         if (watermark?.enabled && watermark.type === "text" && watermark.text) {
diff --git a/backend-node/src/types/report.ts b/backend-node/src/types/report.ts
index d5641cff..27254b0d 100644
--- a/backend-node/src/types/report.ts
+++ b/backend-node/src/types/report.ts
@@ -147,12 +147,12 @@ export interface PageConfig {
     right: number;
   };
   components: any[];
-  watermark?: WatermarkConfig;
 }
 
 // 레이아웃 설정
 export interface ReportLayoutConfig {
   pages: PageConfig[];
+  watermark?: WatermarkConfig; // 전체 페이지 공유 워터마크
 }
 
 // 레이아웃 저장 요청
diff --git a/frontend/components/report/designer/ReportDesignerCanvas.tsx b/frontend/components/report/designer/ReportDesignerCanvas.tsx
index 7f63123b..85dc89b8 100644
--- a/frontend/components/report/designer/ReportDesignerCanvas.tsx
+++ b/frontend/components/report/designer/ReportDesignerCanvas.tsx
@@ -213,6 +213,7 @@ export function ReportDesignerCanvas() {
     undo,
     redo,
     showRuler,
+    layoutConfig,
   } = useReportDesigner();
 
   const [{ isOver }, drop] = useDrop(() => ({
@@ -608,10 +609,10 @@ export function ReportDesignerCanvas() {
                 />
               )}
 
-              {/* 워터마크 렌더링 */}
-              {currentPage?.watermark?.enabled && (
+              {/* 워터마크 렌더링 (전체 페이지 공유) */}
+              {layoutConfig.watermark?.enabled && (
                 <WatermarkLayer
-                  watermark={currentPage.watermark}
+                  watermark={layoutConfig.watermark}
                   canvasWidth={canvasWidth * MM_TO_PX}
                   canvasHeight={canvasHeight * MM_TO_PX}
                 />
diff --git a/frontend/components/report/designer/ReportDesignerRightPanel.tsx b/frontend/components/report/designer/ReportDesignerRightPanel.tsx
index da28fdfe..e3a24025 100644
--- a/frontend/components/report/designer/ReportDesignerRightPanel.tsx
+++ b/frontend/components/report/designer/ReportDesignerRightPanel.tsx
@@ -31,6 +31,8 @@ export function ReportDesignerRightPanel() {
     currentPageId,
     updatePageSettings,
     getQueryResult,
+    layoutConfig,
+    updateWatermark,
   } = context;
   const [activeTab, setActiveTab] = useState<string>("properties");
   const [uploadingImage, setUploadingImage] = useState(false);
@@ -101,7 +103,7 @@ export function ReportDesignerRightPanel() {
   // 워터마크 이미지 업로드 핸들러
   const handleWatermarkImageUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
-    if (!file || !currentPageId) return;
+    if (!file) return;
 
     // 파일 타입 체크
     if (!file.type.startsWith("image/")) {
@@ -129,12 +131,10 @@ export function ReportDesignerRightPanel() {
       const result = await reportApi.uploadImage(file);
 
       if (result.success) {
-        // 업로드된 이미지 URL을 워터마크에 설정
-        updatePageSettings(currentPageId, {
-          watermark: {
-            ...currentPage!.watermark!,
-            imageUrl: result.data.fileUrl,
-          },
+        // 업로드된 이미지 URL을 전체 워터마크에 설정
+        updateWatermark({
+          ...layoutConfig.watermark!,
+          imageUrl: result.data.fileUrl,
         });
 
         toast({
@@ -2690,44 +2690,40 @@ export function ReportDesignerRightPanel() {
                     </CardContent>
                   </Card>
 
-                  {/* 워터마크 설정 */}
+                  {/* 워터마크 설정 (전체 페이지 공유) */}
                   <Card>
                     <CardHeader>
-                      <CardTitle className="text-sm">워터마크</CardTitle>
+                      <CardTitle className="text-sm">워터마크 (전체 페이지)</CardTitle>
                     </CardHeader>
                     <CardContent className="space-y-3">
                       {/* 워터마크 활성화 */}
                       <div className="flex items-center justify-between">
                         <Label className="text-xs">워터마크 사용</Label>
                         <Switch
-                          checked={currentPage.watermark?.enabled ?? false}
+                          checked={layoutConfig.watermark?.enabled ?? false}
                           onCheckedChange={(checked) =>
-                            updatePageSettings(currentPageId, {
-                              watermark: {
-                                ...currentPage.watermark,
-                                enabled: checked,
-                                type: currentPage.watermark?.type ?? "text",
-                                opacity: currentPage.watermark?.opacity ?? 0.3,
-                                style: currentPage.watermark?.style ?? "diagonal",
-                              },
+                            updateWatermark({
+                              ...layoutConfig.watermark,
+                              enabled: checked,
+                              type: layoutConfig.watermark?.type ?? "text",
+                              opacity: layoutConfig.watermark?.opacity ?? 0.3,
+                              style: layoutConfig.watermark?.style ?? "diagonal",
                             })
                           }
                         />
                       </div>
 
-                      {currentPage.watermark?.enabled && (
+                      {layoutConfig.watermark?.enabled && (
                         <>
                           {/* 워터마크 타입 */}
                           <div>
                             <Label className="text-xs">타입</Label>
                             <Select
-                              value={currentPage.watermark?.type ?? "text"}
+                              value={layoutConfig.watermark?.type ?? "text"}
                               onValueChange={(value: "text" | "image") =>
-                                updatePageSettings(currentPageId, {
-                                  watermark: {
-                                    ...currentPage.watermark!,
-                                    type: value,
-                                  },
+                                updateWatermark({
+                                  ...layoutConfig.watermark!,
+                                  type: value,
                                 })
                               }
                             >
@@ -2742,18 +2738,16 @@ export function ReportDesignerRightPanel() {
                           </div>
 
                           {/* 텍스트 워터마크 설정 */}
-                          {currentPage.watermark?.type === "text" && (
+                          {layoutConfig.watermark?.type === "text" && (
                             <>
                               <div>
                                 <Label className="text-xs">텍스트</Label>
                                 <Input
-                                  value={currentPage.watermark?.text ?? ""}
+                                  value={layoutConfig.watermark?.text ?? ""}
                                   onChange={(e) =>
-                                    updatePageSettings(currentPageId, {
-                                      watermark: {
-                                        ...currentPage.watermark!,
-                                        text: e.target.value,
-                                      },
+                                    updateWatermark({
+                                      ...layoutConfig.watermark!,
+                                      text: e.target.value,
                                     })
                                   }
                                   placeholder="DRAFT, 대외비 등"
@@ -2765,13 +2759,11 @@ export function ReportDesignerRightPanel() {
                                   <Label className="text-xs">폰트 크기</Label>
                                   <Input
                                     type="number"
-                                    value={currentPage.watermark?.fontSize ?? 48}
+                                    value={layoutConfig.watermark?.fontSize ?? 48}
                                     onChange={(e) =>
-                                      updatePageSettings(currentPageId, {
-                                        watermark: {
-                                          ...currentPage.watermark!,
-                                          fontSize: Number(e.target.value),
-                                        },
+                                      updateWatermark({
+                                        ...layoutConfig.watermark!,
+                                        fontSize: Number(e.target.value),
                                       })
                                     }
                                     className="mt-1"
@@ -2784,26 +2776,22 @@ export function ReportDesignerRightPanel() {
                                   <div className="mt-1 flex gap-1">
                                     <Input
                                       type="color"
-                                      value={currentPage.watermark?.fontColor ?? "#cccccc"}
+                                      value={layoutConfig.watermark?.fontColor ?? "#cccccc"}
                                       onChange={(e) =>
-                                        updatePageSettings(currentPageId, {
-                                          watermark: {
-                                            ...currentPage.watermark!,
-                                            fontColor: e.target.value,
-                                          },
+                                        updateWatermark({
+                                          ...layoutConfig.watermark!,
+                                          fontColor: e.target.value,
                                         })
                                       }
                                       className="h-9 w-12 cursor-pointer p-1"
                                     />
                                     <Input
                                       type="text"
-                                      value={currentPage.watermark?.fontColor ?? "#cccccc"}
+                                      value={layoutConfig.watermark?.fontColor ?? "#cccccc"}
                                       onChange={(e) =>
-                                        updatePageSettings(currentPageId, {
-                                          watermark: {
-                                            ...currentPage.watermark!,
-                                            fontColor: e.target.value,
-                                          },
+                                        updateWatermark({
+                                          ...layoutConfig.watermark!,
+                                          fontColor: e.target.value,
                                         })
                                       }
                                       className="flex-1"
@@ -2815,7 +2803,7 @@ export function ReportDesignerRightPanel() {
                           )}
 
                           {/* 이미지 워터마크 설정 */}
-                          {currentPage.watermark?.type === "image" && (
+                          {layoutConfig.watermark?.type === "image" && (
                             <div>
                               <Label className="text-xs">워터마크 이미지</Label>
                               <div className="mt-1 flex gap-2">
@@ -2843,21 +2831,19 @@ export function ReportDesignerRightPanel() {
                                   ) : (
                                     <>
                                       <Upload className="mr-2 h-4 w-4" />
-                                      {currentPage.watermark?.imageUrl ? "이미지 변경" : "이미지 선택"}
+                                      {layoutConfig.watermark?.imageUrl ? "이미지 변경" : "이미지 선택"}
                                     </>
                                   )}
                                 </Button>
-                                {currentPage.watermark?.imageUrl && (
+                                {layoutConfig.watermark?.imageUrl && (
                                   <Button
                                     type="button"
                                     variant="ghost"
                                     size="sm"
                                     onClick={() =>
-                                      updatePageSettings(currentPageId, {
-                                        watermark: {
-                                          ...currentPage.watermark!,
-                                          imageUrl: "",
-                                        },
+                                      updateWatermark({
+                                        ...layoutConfig.watermark!,
+                                        imageUrl: "",
                                       })
                                     }
                                   >
@@ -2868,9 +2854,9 @@ export function ReportDesignerRightPanel() {
                               <p className="text-muted-foreground mt-1 text-[10px]">
                                 JPG, PNG, GIF, WEBP (최대 5MB)
                               </p>
-                              {currentPage.watermark?.imageUrl && (
+                              {layoutConfig.watermark?.imageUrl && (
                                 <p className="mt-1 max-w-full overflow-hidden text-ellipsis whitespace-nowrap text-xs text-indigo-600">
-                                  현재: ...{currentPage.watermark.imageUrl.slice(-30)}
+                                  현재: ...{layoutConfig.watermark.imageUrl.slice(-30)}
                                 </p>
                               )}
                             </div>
@@ -2880,13 +2866,11 @@ export function ReportDesignerRightPanel() {
                           <div>
                             <Label className="text-xs">배치 스타일</Label>
                             <Select
-                              value={currentPage.watermark?.style ?? "diagonal"}
+                              value={layoutConfig.watermark?.style ?? "diagonal"}
                               onValueChange={(value: "diagonal" | "center" | "tile") =>
-                                updatePageSettings(currentPageId, {
-                                  watermark: {
-                                    ...currentPage.watermark!,
-                                    style: value,
-                                  },
+                                updateWatermark({
+                                  ...layoutConfig.watermark!,
+                                  style: value,
                                 })
                               }
                             >
@@ -2902,19 +2886,17 @@ export function ReportDesignerRightPanel() {
                           </div>
 
                           {/* 대각선/타일 회전 각도 */}
-                          {(currentPage.watermark?.style === "diagonal" ||
-                            currentPage.watermark?.style === "tile") && (
+                          {(layoutConfig.watermark?.style === "diagonal" ||
+                            layoutConfig.watermark?.style === "tile") && (
                             <div>
                               <Label className="text-xs">회전 각도</Label>
                               <Input
                                 type="number"
-                                value={currentPage.watermark?.rotation ?? -45}
+                                value={layoutConfig.watermark?.rotation ?? -45}
                                 onChange={(e) =>
-                                  updatePageSettings(currentPageId, {
-                                    watermark: {
-                                      ...currentPage.watermark!,
-                                      rotation: Number(e.target.value),
-                                    },
+                                  updateWatermark({
+                                    ...layoutConfig.watermark!,
+                                    rotation: Number(e.target.value),
                                   })
                                 }
                                 className="mt-1"
@@ -2929,17 +2911,15 @@ export function ReportDesignerRightPanel() {
                             <div className="flex items-center justify-between">
                               <Label className="text-xs">투명도</Label>
                               <span className="text-muted-foreground text-xs">
-                                {Math.round((currentPage.watermark?.opacity ?? 0.3) * 100)}%
+                                {Math.round((layoutConfig.watermark?.opacity ?? 0.3) * 100)}%
                               </span>
                             </div>
                             <Slider
-                              value={[(currentPage.watermark?.opacity ?? 0.3) * 100]}
+                              value={[(layoutConfig.watermark?.opacity ?? 0.3) * 100]}
                               onValueChange={(value) =>
-                                updatePageSettings(currentPageId, {
-                                  watermark: {
-                                    ...currentPage.watermark!,
-                                    opacity: value[0] / 100,
-                                  },
+                                updateWatermark({
+                                  ...layoutConfig.watermark!,
+                                  opacity: value[0] / 100,
                                 })
                               }
                               min={5}
@@ -2955,17 +2935,15 @@ export function ReportDesignerRightPanel() {
                               size="sm"
                               variant="outline"
                               onClick={() =>
-                                updatePageSettings(currentPageId, {
-                                  watermark: {
-                                    ...currentPage.watermark!,
-                                    type: "text",
-                                    text: "DRAFT",
-                                    fontSize: 64,
-                                    fontColor: "#cccccc",
-                                    style: "diagonal",
-                                    opacity: 0.2,
-                                    rotation: -45,
-                                  },
+                                updateWatermark({
+                                  ...layoutConfig.watermark!,
+                                  type: "text",
+                                  text: "DRAFT",
+                                  fontSize: 64,
+                                  fontColor: "#cccccc",
+                                  style: "diagonal",
+                                  opacity: 0.2,
+                                  rotation: -45,
                                 })
                               }
                             >
@@ -2975,17 +2953,15 @@ export function ReportDesignerRightPanel() {
                               size="sm"
                               variant="outline"
                               onClick={() =>
-                                updatePageSettings(currentPageId, {
-                                  watermark: {
-                                    ...currentPage.watermark!,
-                                    type: "text",
-                                    text: "대외비",
-                                    fontSize: 64,
-                                    fontColor: "#ff0000",
-                                    style: "diagonal",
-                                    opacity: 0.15,
-                                    rotation: -45,
-                                  },
+                                updateWatermark({
+                                  ...layoutConfig.watermark!,
+                                  type: "text",
+                                  text: "대외비",
+                                  fontSize: 64,
+                                  fontColor: "#ff0000",
+                                  style: "diagonal",
+                                  opacity: 0.15,
+                                  rotation: -45,
                                 })
                               }
                             >
@@ -2995,17 +2971,15 @@ export function ReportDesignerRightPanel() {
                               size="sm"
                               variant="outline"
                               onClick={() =>
-                                updatePageSettings(currentPageId, {
-                                  watermark: {
-                                    ...currentPage.watermark!,
-                                    type: "text",
-                                    text: "SAMPLE",
-                                    fontSize: 48,
-                                    fontColor: "#888888",
-                                    style: "tile",
-                                    opacity: 0.1,
-                                    rotation: -30,
-                                  },
+                                updateWatermark({
+                                  ...layoutConfig.watermark!,
+                                  type: "text",
+                                  text: "SAMPLE",
+                                  fontSize: 48,
+                                  fontColor: "#888888",
+                                  style: "tile",
+                                  opacity: 0.1,
+                                  rotation: -30,
                                 })
                               }
                             >
@@ -3015,16 +2989,14 @@ export function ReportDesignerRightPanel() {
                               size="sm"
                               variant="outline"
                               onClick={() =>
-                                updatePageSettings(currentPageId, {
-                                  watermark: {
-                                    ...currentPage.watermark!,
-                                    type: "text",
-                                    text: "COPY",
-                                    fontSize: 56,
-                                    fontColor: "#aaaaaa",
-                                    style: "center",
-                                    opacity: 0.25,
-                                  },
+                                updateWatermark({
+                                  ...layoutConfig.watermark!,
+                                  type: "text",
+                                  text: "COPY",
+                                  fontSize: 56,
+                                  fontColor: "#aaaaaa",
+                                  style: "center",
+                                  opacity: 0.25,
                                 })
                               }
                             >
diff --git a/frontend/components/report/designer/ReportPreviewModal.tsx b/frontend/components/report/designer/ReportPreviewModal.tsx
index 92043666..b8fcb9ce 100644
--- a/frontend/components/report/designer/ReportPreviewModal.tsx
+++ b/frontend/components/report/designer/ReportPreviewModal.tsx
@@ -924,7 +924,7 @@ export function ReportPreviewModal({ isOpen, onClose }: ReportPreviewModalProps)
           page.background_color,
           pageIndex,
           totalPages,
-          page.watermark,
+          layoutConfig.watermark, // 전체 페이지 공유 워터마크
         ),
       )
       .join('<div style="page-break-after: always;"></div>');
@@ -1156,10 +1156,10 @@ export function ReportPreviewModal({ isOpen, onClose }: ReportPreviewModalProps)
                       backgroundColor: page.background_color,
                     }}
                   >
-                    {/* 워터마크 렌더링 */}
-                    {page.watermark?.enabled && (
+                    {/* 워터마크 렌더링 (전체 페이지 공유) */}
+                    {layoutConfig.watermark?.enabled && (
                       <PreviewWatermarkLayer
-                        watermark={page.watermark}
+                        watermark={layoutConfig.watermark}
                         pageWidth={page.width}
                         pageHeight={page.height}
                       />
diff --git a/frontend/contexts/ReportDesignerContext.tsx b/frontend/contexts/ReportDesignerContext.tsx
index 206f56db..f8764d15 100644
--- a/frontend/contexts/ReportDesignerContext.tsx
+++ b/frontend/contexts/ReportDesignerContext.tsx
@@ -1,7 +1,7 @@
 "use client";
 
 import { createContext, useContext, useState, useCallback, ReactNode, useEffect, useRef } from "react";
-import { ComponentConfig, ReportDetail, ReportLayout, ReportPage, ReportLayoutConfig } from "@/types/report";
+import { ComponentConfig, ReportDetail, ReportLayout, ReportPage, ReportLayoutConfig, WatermarkConfig } from "@/types/report";
 import { reportApi } from "@/lib/api/reportApi";
 import { useToast } from "@/hooks/use-toast";
 import { v4 as uuidv4 } from "uuid";
@@ -40,6 +40,7 @@ interface ReportDesignerContextType {
   reorderPages: (sourceIndex: number, targetIndex: number) => void;
   selectPage: (pageId: string) => void;
   updatePageSettings: (pageId: string, settings: Partial<ReportPage>) => void;
+  updateWatermark: (watermark: WatermarkConfig | undefined) => void; // 전체 페이지 공유 워터마크
 
   // 컴포넌트 (현재 페이지)
   components: ComponentConfig[]; // currentPage의 components (읽기 전용)
@@ -988,10 +989,19 @@ export function ReportDesignerProvider({ reportId, children }: { reportId: strin
 
   const updatePageSettings = useCallback((pageId: string, settings: Partial<ReportPage>) => {
     setLayoutConfig((prev) => ({
+      ...prev,
       pages: prev.pages.map((page) => (page.page_id === pageId ? { ...page, ...settings } : page)),
     }));
   }, []);
 
+  // 전체 페이지 공유 워터마크 업데이트
+  const updateWatermark = useCallback((watermark: WatermarkConfig | undefined) => {
+    setLayoutConfig((prev) => ({
+      ...prev,
+      watermark,
+    }));
+  }, []);
+
   // 리포트 및 레이아웃 로드
   const loadLayout = useCallback(async () => {
     setIsLoading(true);
@@ -1471,6 +1481,7 @@ export function ReportDesignerProvider({ reportId, children }: { reportId: strin
     reorderPages,
     selectPage,
     updatePageSettings,
+    updateWatermark,
 
     // 컴포넌트 (현재 페이지)
     components,
diff --git a/frontend/types/report.ts b/frontend/types/report.ts
index 6619b534..3631f831 100644
--- a/frontend/types/report.ts
+++ b/frontend/types/report.ts
@@ -113,12 +113,12 @@ export interface ReportPage {
   };
   background_color: string;
   components: ComponentConfig[];
-  watermark?: WatermarkConfig;
 }
 
 // 레이아웃 설정 (페이지 기반)
 export interface ReportLayoutConfig {
   pages: ReportPage[];
+  watermark?: WatermarkConfig; // 전체 페이지 공유 워터마크
 }
 
 // 컴포넌트 설정