diff --git a/.bazelignore b/.bazelignore
new file mode 100644
index 000000000000..acc4328d9510
--- /dev/null
+++ b/.bazelignore
@@ -0,0 +1,6 @@
+# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
+# Exceptions. See /LICENSE for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+# Carbon creates some non-standard bazel directories, so ignore them.
+bazel-carbon-lang