diff --git a/.changeset/bright-houses-build.md b/.changeset/bright-houses-build.md
new file mode 100644
index 0000000000..2cec808351
--- /dev/null
+++ b/.changeset/bright-houses-build.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Haus Chain Testnet chain.
diff --git a/src/chains/definitions/hausTestnet.ts b/src/chains/definitions/hausTestnet.ts
new file mode 100644
index 0000000000..ab88c18e27
--- /dev/null
+++ b/src/chains/definitions/hausTestnet.ts
@@ -0,0 +1,24 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const hausTestnet = /*#__PURE__*/ defineChain({
+  id: 2_443,
+  name: 'Haus Chain Testnet',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'Haus',
+    symbol: 'HAUS',
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc-testnet.hausserver.xyz'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Haus Chain Testnet Explorer',
+      url: 'https://explorer-testnet.hausserver.xyz',
+      apiUrl: 'https://explorer-testnet.hausserver.xyz/api',
+    },
+  },
+  testnet: true,
+})
diff --git a/src/chains/index.ts b/src/chains/index.ts
index 25e9dd6d4c..32d41acfc6 100644
--- a/src/chains/index.ts
+++ b/src/chains/index.ts
@@ -267,6 +267,7 @@ export { hardhat } from './definitions/hardhat.js'
 export { harmonyOne } from './definitions/harmonyOne.js'
 export { hashkey } from './definitions/hashKeyChain.js'
 export { hashkeyTestnet } from './definitions/hashkeyChainTestnet.js'
+export { hausTestnet } from './definitions/hausTestnet.js'
 export { haustTestnet } from './definitions/haustTestnet.js'
 export { hedera } from './definitions/hedera.js'
 export { hederaPreviewnet } from './definitions/hederaPreviewnet.js'