diff --git a/frontend/contexts/ReportDesignerContext.tsx b/frontend/contexts/ReportDesignerContext.tsx
index 098e419e..a55a1c6d 100644
--- a/frontend/contexts/ReportDesignerContext.tsx
+++ b/frontend/contexts/ReportDesignerContext.tsx
@@ -285,7 +285,18 @@ export function ReportDesignerProvider({ reportId, children }: { reportId: strin
   // 복사 (Ctrl+C)
   const copyComponents = useCallback(() => {
     if (selectedComponentIds.length > 0) {
-      const componentsToCopy = components.filter((comp) => selectedComponentIds.includes(comp.id));
+      // 잠긴 컴포넌트는 복사에서 제외
+      const componentsToCopy = components.filter(
+        (comp) => selectedComponentIds.includes(comp.id) && !comp.locked
+      );
+      if (componentsToCopy.length === 0) {
+        toast({
+          title: "복사 불가",
+          description: "잠긴 컴포넌트는 복사할 수 없습니다.",
+          variant: "destructive",
+        });
+        return;
+      }
       setClipboard(componentsToCopy);
       toast({
         title: "복사 완료",
@@ -294,6 +305,15 @@ export function ReportDesignerProvider({ reportId, children }: { reportId: strin
     } else if (selectedComponentId) {
       const componentToCopy = components.find((comp) => comp.id === selectedComponentId);
       if (componentToCopy) {
+        // 잠긴 컴포넌트는 복사 불가
+        if (componentToCopy.locked) {
+          toast({
+            title: "복사 불가",
+            description: "잠긴 컴포넌트는 복사할 수 없습니다.",
+            variant: "destructive",
+          });
+          return;
+        }
         setClipboard([componentToCopy]);
         toast({
           title: "복사 완료",