diff --git a/.changeset/honest-cooks-reply.md b/.changeset/honest-cooks-reply.md
new file mode 100644
index 0000000000..efabf1e6b2
--- /dev/null
+++ b/.changeset/honest-cooks-reply.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added SuperLumio chain.
diff --git a/src/chains/definitions/superlumio.ts b/src/chains/definitions/superlumio.ts
new file mode 100644
index 0000000000..da84e1e8ee
--- /dev/null
+++ b/src/chains/definitions/superlumio.ts
@@ -0,0 +1,19 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const superlumio = /*#__PURE__*/ defineChain({
+  id: 8866,
+  name: 'SuperLumio',
+  nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://mainnet.lumio.io'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Lumio explorer',
+      url: 'https://explorer.lumio.io',
+    },
+  },
+  testnet: false,
+})
diff --git a/src/chains/index.ts b/src/chains/index.ts
index a3e7bc07ed..631813360d 100644
--- a/src/chains/index.ts
+++ b/src/chains/index.ts
@@ -303,6 +303,7 @@ export { storyTestnet } from './definitions/storyTestnet.js'
 export { silicon } from './definitions/silicon.js'
 export { siliconSepolia } from './definitions/siliconSepolia.js'
 export { stratis } from './definitions/stratis.js'
+export { superlumio } from './definitions/superlumio.js'
 export { swan } from './definitions/swan.js'
 export { swanProximaTestnet } from './definitions/swanProximaTestnet.js'
 export { swanSaturnTestnet } from './definitions/swanSaturnTestnet.js'