diff --git a/.changelog/39429.txt b/.changelog/39429.txt
new file mode 100644
index 000000000000..84a5ae3a005c
--- /dev/null
+++ b/.changelog/39429.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+resource/aws_iam_role: Retry `ConcurrentModificationException`s during role creation
+```
diff --git a/internal/service/iam/role.go b/internal/service/iam/role.go
index 4b58c37efeea..3a95e9f3d427 100644
--- a/internal/service/iam/role.go
+++ b/internal/service/iam/role.go
@@ -601,6 +601,9 @@ func retryCreateRole(ctx context.Context, conn *iam.Client, input *iam.CreateRol
 			if errs.IsAErrorMessageContains[*awstypes.MalformedPolicyDocumentException](err, "Invalid principal in policy") {
 				return true, err
 			}
+			if errs.IsA[*awstypes.ConcurrentModificationException](err) {
+				return true, err
+			}
 
 			return false, err
 		},