diff --git a/.github/workflows/cache-repear.yml b/.github/workflows/cache-repear.yml
new file mode 100644
index 00000000000..7603e73b606
--- /dev/null
+++ b/.github/workflows/cache-repear.yml
@@ -0,0 +1,16 @@
+name: Keep Github Actions Cache < 10GB
+
+on:
+  schedule:
+    # Run every 2hrs during weekdays
+    - cron: "0 0/2 * * 1-5"
+
+jobs:
+  cache-cleaner:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js 18
+        uses: actions/setup-node@v4.0.0
+      - name: Trim the cache
+        run: node scripts/clean-gha-cache.js
diff --git a/scripts/clean-gha-cache.js b/scripts/clean-gha-cache.js
new file mode 100644
index 00000000000..e89d7ed3a8a
--- /dev/null
+++ b/scripts/clean-gha-cache.js
@@ -0,0 +1,62 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+const {execSync} = require('node:child_process');
+
+const CACHE_LIMIT = (10 * 1024 ** 3) * 0.9;
+
+function cleanData(rawStr) {
+  const now = new Date();
+  const json = JSON.parse(rawStr);
+  return json
+    .map(raw => ({
+      ...raw,
+      msSinceLastAccessed: now - new Date(raw.lastAccessedAt),
+    }))
+    .sort((a, b) => b.msSinceLastAccessed - a.msSinceLastAccessed);
+}
+
+const mb = bytes => (bytes / 1024 ** 2).toFixed(2) + 'MB';
+const hrs = ms => (ms / (1000 * 60 * 60)).toFixed(1) + 'hrs';
+
+const dryRun = process.argv.indexOf('--dry') !== -1;
+
+function main() {
+  const cacheUsage = cleanData(execSync(
+    'gh cache list --sort last_accessed_at --json id,key,lastAccessedAt,sizeInBytes --limit 1000',
+    'utf8'
+  ));
+
+  let total = 0;
+  let remove = [];
+  let cleaned = 0;
+  for (let i = cacheUsage.length - 1; i > 0; i--) {
+    const {id, key, msSinceLastAccessed, sizeInBytes} = cacheUsage[i];
+    total += sizeInBytes;
+
+    // Are we in the danger zone?
+    if (total > CACHE_LIMIT) {
+      console.warn(`[${hrs(msSinceLastAccessed).padStart(7)}] ${mb(sizeInBytes).padStart(7)} -> ${key}`);
+      cleaned += sizeInBytes;
+      remove.push(id);
+    } else {
+      console.warn(`skip ${cacheUsage.length - i} ${mb(sizeInBytes)} ${hrs(msSinceLastAccessed)}`);
+    }
+  }
+  console.warn(`Identifed ${remove.length} cache keys for removal, reducing cache from ${mb(total)} -> ${mb(total - cleaned)}`);
+
+  const cleanup = remove.map(id => `gh cache delete ${id} --repo facebook/react-native`);
+  for (const cmd of cleanup) {
+    if (dryRun) {
+      console.warn(`DRY: ${cmd}`);
+    } else {
+      console.warn(`${cmd} -> ${execSync(cmd, 'utf8').toString()}`);
+    }
+  }
+}
+
+main();