diff --git a/.gitignore b/.gitignore
index cbcc5add..b223a2d6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -64,6 +64,7 @@ tmp/
 
 # Disposable dotnet test/build output redirected by local validation runs
 .test-out/
+**/TestResults/
 
 # Connected-gate, benchmark, and visual-capture artifacts are machine-local
 logs/