diff --git a/.changeset/many-lies-drum.md b/.changeset/many-lies-drum.md
new file mode 100644
index 0000000000..2a89f1aaef
--- /dev/null
+++ b/.changeset/many-lies-drum.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Story Odyssey Testnet.
diff --git a/src/chains/definitions/storyOdyssey.ts b/src/chains/definitions/storyOdyssey.ts
new file mode 100644
index 0000000000..188f78c5e4
--- /dev/null
+++ b/src/chains/definitions/storyOdyssey.ts
@@ -0,0 +1,21 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const storyOdyssey = /*#__PURE__*/ defineChain({
+  id: 1516,
+  name: 'Story Odyssey',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'IP',
+    symbol: 'IP',
+  },
+  rpcUrls: {
+    default: { http: ['https://rpc.odyssey.storyrpc.io'] },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Story Odyssey Explorer',
+      url: 'https://odyssey.storyscan.xyz',
+    },
+  },
+  testnet: true,
+})
diff --git a/src/chains/index.ts b/src/chains/index.ts
index 458fb1985f..afdbae1b3f 100644
--- a/src/chains/index.ts
+++ b/src/chains/index.ts
@@ -389,6 +389,7 @@ export { sophon } from './definitions/sophon.js'
 export { sophonTestnet } from './definitions/sophonTestnet.js'
 export { spicy } from './definitions/spicy.js'
 export { step } from './definitions/step.js'
+export { storyOdyssey } from './definitions/storyOdyssey.js'
 export { storyTestnet } from './definitions/storyTestnet.js'
 export { stratis } from './definitions/stratis.js'
 export { superlumio } from './definitions/superlumio.js'