diff --git a/.changeset/etherlink-shadownet-chain.md b/.changeset/etherlink-shadownet-chain.md
new file mode 100644
index 00000000000..c17621ace47
--- /dev/null
+++ b/.changeset/etherlink-shadownet-chain.md
@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+Add Etherlink Shadownet testnet chain (chain ID 127823)
diff --git a/packages/thirdweb/src/chains/chain-definitions/etherlink-shadownet.ts b/packages/thirdweb/src/chains/chain-definitions/etherlink-shadownet.ts
new file mode 100644
index 00000000000..d8ceea39637
--- /dev/null
+++ b/packages/thirdweb/src/chains/chain-definitions/etherlink-shadownet.ts
@@ -0,0 +1,21 @@
+import { defineChain } from "../utils.js";
+
+/**
+ * @chain
+ */
+export const etherlinkShadownet = /* @__PURE__ */ defineChain({
+  blockExplorers: [
+    {
+      name: "Etherlink Shadownet Explorer",
+      url: "https://shadownet.explorer.etherlink.com/",
+    },
+  ],
+  id: 127823,
+  name: "Etherlink Shadownet",
+  nativeCurrency: {
+    decimals: 18,
+    name: "Etherlink",
+    symbol: "XTZ",
+  },
+  testnet: true,
+});
diff --git a/packages/thirdweb/src/exports/chains.ts b/packages/thirdweb/src/exports/chains.ts
index b02fc44e5cb..c94991c620b 100644
--- a/packages/thirdweb/src/exports/chains.ts
+++ b/packages/thirdweb/src/exports/chains.ts
@@ -32,6 +32,7 @@ export { degen } from "../chains/chain-definitions/degen.js";
 // mainnet = alias for ethereum
 export { ethereum, mainnet } from "../chains/chain-definitions/ethereum.js";
 export { etherlink } from "../chains/chain-definitions/etherlink.js";
+export { etherlinkShadownet } from "../chains/chain-definitions/etherlink-shadownet.js";
 export { etherlinkTestnet } from "../chains/chain-definitions/etherlink-testnet.js";
 export { fantom } from "../chains/chain-definitions/fantom.js";
 export { fantomTestnet } from "../chains/chain-definitions/fantom-testnet.js";