diff --git a/.changeset/twenty-zebras-yell.md b/.changeset/twenty-zebras-yell.md
new file mode 100644
index 0000000000..e0b38ee2e2
--- /dev/null
+++ b/.changeset/twenty-zebras-yell.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added creditcoin3 chain.
diff --git a/src/chains/definitions/creditCoin3Mainnet.ts b/src/chains/definitions/creditCoin3Mainnet.ts
new file mode 100644
index 0000000000..5d6897213d
--- /dev/null
+++ b/src/chains/definitions/creditCoin3Mainnet.ts
@@ -0,0 +1,21 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const creditCoin3Mainnet = /*#__PURE__*/ defineChain({
+  id: 102030,
+  name: 'Creditcoin3 Mainnet',
+  nativeCurrency: { name: 'Creditcoin3 Mainnet', symbol: 'CTC', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://mainnet3.creditcoin.network'],
+      webSocket: ['wss://mainnet3.creditcoin.network'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Blockscout',
+      url: 'https://creditcoin.blockscout.com',
+      apiUrl: 'https://creditcoin.blockscout.com/api',
+    },
+  },
+  testnet: false,
+})
diff --git a/src/chains/definitions/creditCoin3Testnet.ts b/src/chains/definitions/creditCoin3Testnet.ts
new file mode 100644
index 0000000000..f04abc5fab
--- /dev/null
+++ b/src/chains/definitions/creditCoin3Testnet.ts
@@ -0,0 +1,21 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const creditCoin3Testnet = /*#__PURE__*/ defineChain({
+  id: 102031,
+  name: 'Creditcoin3 Testnet',
+  nativeCurrency: { name: 'Creditcoin3 Testnet', symbol: 'TCTC', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.cc3-testnet.creditcoin.network'],
+      webSocket: ['wss://rpc.cc3-testnet.creditcoin.network"'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Blockscout',
+      url: 'https://creditcoin-testnet.blockscout.com',
+      apiUrl: 'https://creditcoin-testnet.blockscout.com/api',
+    },
+  },
+  testnet: true,
+})
diff --git a/src/chains/index.ts b/src/chains/index.ts
index 0b9dbf0a27..87954ccff4 100644
--- a/src/chains/index.ts
+++ b/src/chains/index.ts
@@ -97,6 +97,8 @@ 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 { creditCoin3Mainnet } from './definitions/creditCoin3Mainnet.js'
+export { creditCoin3Testnet } from './definitions/creditCoin3Testnet.js'
 export { cronos } from './definitions/cronos.js'
 export { cronosTestnet } from './definitions/cronosTestnet.js'
 export { cronoszkEVM } from './definitions/cronoszkEVM.js'