diff --git a/.changeset/old-bags-run.md b/.changeset/old-bags-run.md
new file mode 100644
index 0000000000..b10bb87555
--- /dev/null
+++ b/.changeset/old-bags-run.md
@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Multicall address to Superposition.
diff --git a/src/chains/definitions/superposition.ts b/src/chains/definitions/superposition.ts
index 489a3bb3a5..24751f380b 100644
--- a/src/chains/definitions/superposition.ts
+++ b/src/chains/definitions/superposition.ts
@@ -13,5 +13,11 @@ export const superposition = /*#__PURE__*/ defineChain({
       url: 'https://explorer.superposition.so',
     },
   },
+  contracts: {
+    multicall3: {
+      address: '0xcA11bde05977b3631167028862bE2a173976CA11',
+      blockCreated: 39,
+    },
+  },
   testnet: false,
 })