diff --git a/.changeset/late-stingrays-invite.md b/.changeset/late-stingrays-invite.md
new file mode 100644
index 0000000000..2efecf246d
--- /dev/null
+++ b/.changeset/late-stingrays-invite.md
@@ -0,0 +1,5 @@
+---
+'@backstage/core-plugin-api': patch
+---
+
+Deprecated `OldIconComponent`. Existing usage should be replaced with `IconComponent`.
diff --git a/packages/core-plugin-api/api-report.md b/packages/core-plugin-api/api-report.md
index 928a90cee5..3a4c7580b2 100644
--- a/packages/core-plugin-api/api-report.md
+++ b/packages/core-plugin-api/api-report.md
@@ -623,7 +623,7 @@ export const oktaAuthApiRef: ApiRef<
     SessionApi
 >;
 
-// @public
+// @public @deprecated
 export type OldIconComponent = ComponentType<SvgIconProps>;
 
 // @alpha
diff --git a/packages/core-plugin-api/src/icons/types.ts b/packages/core-plugin-api/src/icons/types.ts
index 5648261f3c..849561f9c0 100644
--- a/packages/core-plugin-api/src/icons/types.ts
+++ b/packages/core-plugin-api/src/icons/types.ts
@@ -43,5 +43,6 @@ export type IconComponent = ComponentType<{
  * migration, but it is not exported.
  *
  * @public
+ * @deprecated This type will be removed, use {@link IconComponent} instead.
  */
 export type OldIconComponent = ComponentType<SvgIconProps>;