diff --git a/.changeset/old-kiwis-sneeze.md b/.changeset/old-kiwis-sneeze.md
new file mode 100644
index 0000000000..6cddeac159
--- /dev/null
+++ b/.changeset/old-kiwis-sneeze.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Creator testnet.
diff --git a/src/chains/definitions/creatorTestnet.ts b/src/chains/definitions/creatorTestnet.ts
new file mode 100644
index 0000000000..de048fd9a8
--- /dev/null
+++ b/src/chains/definitions/creatorTestnet.ts
@@ -0,0 +1,25 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+ 
+export const creatorTestnet = defineChain({
+  id: 66665,
+  name: 'Creator',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'Ether',
+    symbol: 'ETH',
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.creatorchain.io'],
+    },
+  },
+  blockExplorers: {
+    default: { name: 'Explorer', url: 'https://explorer.creatorchain.io' },
+  },
+  contracts: {
+    multicall3: {
+      address: '0xcA11bde05977b3631167028862bE2a173976CA11',
+    },
+  },
+  testnet: true,
+})
diff --git a/src/chains/index.ts b/src/chains/index.ts
index 18f5fffd75..4ccc82b62e 100644
--- a/src/chains/index.ts
+++ b/src/chains/index.ts
@@ -91,6 +91,7 @@ export { coreDao } from './definitions/coreDao.js'
 export { corn } from './definitions/corn.js'
 export { cornTestnet } from './definitions/cornTestnet.js'
 export { crab } from './definitions/crab.js'
+export { creatorTestnet } from './definitions/creatorTestnet.js'
 export { cronos } from './definitions/cronos.js'
 export { cronosTestnet } from './definitions/cronosTestnet.js'
 export { cronoszkEVM } from './definitions/cronoszkEVM.js'