diff --git a/common/changes/@microsoft/rush/use-env-bash_2025-12-11-20-30.json b/common/changes/@microsoft/rush/use-env-bash_2025-12-11-20-30.json
new file mode 100644
index 0000000000..ec183a3889
--- /dev/null
+++ b/common/changes/@microsoft/rush/use-env-bash_2025-12-11-20-30.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/rush",
+      "comment": "Change the Git hook file shebangs to use `/usr/bin/env bash` instead of `/bin/bash` for greater platform compatability.",
+      "type": "none"
+    }
+  ],
+  "packageName": "@microsoft/rush"
+}
\ No newline at end of file
diff --git a/libraries/rush-lib/src/logic/base/BaseInstallManager.ts b/libraries/rush-lib/src/logic/base/BaseInstallManager.ts
index a38af503f9..ef0e1466ae 100644
--- a/libraries/rush-lib/src/logic/base/BaseInstallManager.ts
+++ b/libraries/rush-lib/src/logic/base/BaseInstallManager.ts
@@ -769,7 +769,7 @@ fi
 `
             : '';
 
-          const hookFileContent: string = `#!/bin/bash
+          const hookFileContent: string = `#!/usr/bin/env bash
 set -e
 SCRIPT_DIR="$( cd "$( dirname "\${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 SCRIPT_IMPLEMENTATION_PATH="$SCRIPT_DIR/${hookRelativePath}/${filename}"