diff --git a/.changeset/fluffy-laws-chew.md b/.changeset/fluffy-laws-chew.md
new file mode 100644
index 0000000000..8372b8c5e8
--- /dev/null
+++ b/.changeset/fluffy-laws-chew.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Zircuit chain.
diff --git a/src/chains/definitions/zircuit.ts b/src/chains/definitions/zircuit.ts
new file mode 100644
index 0000000000..d527ff9094
--- /dev/null
+++ b/src/chains/definitions/zircuit.ts
@@ -0,0 +1,32 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const zircuit = /*#__PURE__*/ defineChain({
+  id: 48900,
+  name: 'Zircuit Mainnet',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'Ether',
+    symbol: 'ETH',
+  },
+  rpcUrls: {
+    default: {
+      http: [
+        'https://zircuit1-mainnet.p2pify.com',
+        'https://zircuit1-mainnet.liquify.com',
+        'https://zircuit-mainnet.drpc.org',
+      ],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Zircuit Explorer',
+      url: 'https://explorer.zircuit.com',
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: '0xcA11bde05977b3631167028862bE2a173976CA11',
+    },
+  },
+  testnet: false,
+})
diff --git a/src/chains/index.ts b/src/chains/index.ts
index 35c23ea463..d190552393 100644
--- a/src/chains/index.ts
+++ b/src/chains/index.ts
@@ -395,6 +395,7 @@ export {
 export { zora } from './definitions/zora.js'
 export { zoraSepolia } from './definitions/zoraSepolia.js'
 export { zoraTestnet } from './definitions/zoraTestnet.js'
+export { zircuit } from './definitions/zircuit.js'
 export { zircuitTestnet } from './definitions/zircuitTestnet.js'
 
 //////////////////////////////////////////////////////////////////////////////////////