diff --git a/.changeset/six-ravens-relax.md b/.changeset/six-ravens-relax.md
new file mode 100644
index 0000000000..91d81072df
--- /dev/null
+++ b/.changeset/six-ravens-relax.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added zkLink Nova Sepolia Testnet chain.
diff --git a/src/chains/definitions/zkLinkNovaSepoliaTestnet.ts b/src/chains/definitions/zkLinkNovaSepoliaTestnet.ts
new file mode 100644
index 0000000000..0f182ba45e
--- /dev/null
+++ b/src/chains/definitions/zkLinkNovaSepoliaTestnet.ts
@@ -0,0 +1,20 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const zkLinkNovaSepoliaTestnet = /*#__PURE__*/ defineChain({
+  id: 810181,
+  name: 'zkLink Nova Sepolia Testnet',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'ETH',
+    symbol: 'ETH',
+  },
+  rpcUrls: {
+    default: { http: ['https://sepolia.rpc.zklink.io'] },
+  },
+  blockExplorers: {
+    default: {
+      name: 'zkLink Nova Block Explorer',
+      url: 'https://sepolia.explorer.zklink.io',
+    },
+  },
+})
diff --git a/src/chains/index.ts b/src/chains/index.ts
index 7baf1f5284..4c72f5a3dd 100644
--- a/src/chains/index.ts
+++ b/src/chains/index.ts
@@ -298,6 +298,7 @@ export { zilliqaTestnet } from './definitions/zilliqaTestnet.js'
 export { zkFair } from './definitions/zkFair.js'
 export { zkFairTestnet } from './definitions/zkFairTestnet.js'
 export { zkLinkNova } from './definitions/zkLinkNova.js'
+export { zkLinkNovaSepoliaTestnet } from './definitions/zkLinkNovaSepoliaTestnet.js' 
 export { zkSync } from './definitions/zkSync.js'
 export { zkSyncInMemoryNode } from './definitions/zkSyncInMemoryNode.js'
 export { zkSyncLocalNode } from './definitions/zkSyncLocalNode.js'