diff --git a/.changeset/stupid-pears-wink.md b/.changeset/stupid-pears-wink.md
new file mode 100644
index 0000000000..b58519071b
--- /dev/null
+++ b/.changeset/stupid-pears-wink.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Ape Chain.
diff --git a/src/chains/definitions/apeChain.ts b/src/chains/definitions/apeChain.ts
new file mode 100644
index 0000000000..9ca4b4d748
--- /dev/null
+++ b/src/chains/definitions/apeChain.ts
@@ -0,0 +1,33 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+const sourceId = 42_161 // Arbitrum One
+
+export const apeChain = /*#__PURE__*/ defineChain({
+  id: 33139,
+  name: 'Ape Chain',
+  nativeCurrency: {
+    name: 'ApeCoin',
+    symbol: 'APE',
+    decimals: 18,
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.apechain.com/http'],
+      webSocket: ['wss://rpc.apechain.com/ws'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Apescan',
+      url: 'https://apescan.io',
+      apiUrl: 'https://api.apescan.io',
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: '0xcA11bde05977b3631167028862bE2a173976CA11',
+      blockCreated: 20889,
+    },
+  },
+  sourceId,
+})
diff --git a/src/chains/index.ts b/src/chains/index.ts
index 58be9dcbe9..962e84ae8b 100644
--- a/src/chains/index.ts
+++ b/src/chains/index.ts
@@ -8,6 +8,7 @@ export { alienxHalTestnet } from './definitions/alienXHalTestnet.js'
 export { ancient8 } from './definitions/ancient8.js'
 export { ancient8Sepolia } from './definitions/ancient8Sepolia.js'
 export { anvil } from './definitions/anvil.js'
+export { apeChain } from './definitions/apeChain.js'
 export { apexTestnet } from './definitions/apexTestnet.js'
 export { arbitrum } from './definitions/arbitrum.js'
 export { arbitrumGoerli } from './definitions/arbitrumGoerli.js'