diff --git a/change/react-native-windows-94cad441-d079-4e22-bfcc-f2beb900bad1.json b/change/react-native-windows-94cad441-d079-4e22-bfcc-f2beb900bad1.json
new file mode 100644
index 00000000000..351eaad7f94
--- /dev/null
+++ b/change/react-native-windows-94cad441-d079-4e22-bfcc-f2beb900bad1.json
@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "std::aligned_storage is deprecated",
+  "packageName": "react-native-windows",
+  "email": "30809111+acoates-ms@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}
diff --git a/vnext/Microsoft.ReactNative.Cxx/JSI/JsiAbiApi.h b/vnext/Microsoft.ReactNative.Cxx/JSI/JsiAbiApi.h
index 4ee9614d2e6..2c13f2de70f 100644
--- a/vnext/Microsoft.ReactNative.Cxx/JSI/JsiAbiApi.h
+++ b/vnext/Microsoft.ReactNative.Cxx/JSI/JsiAbiApi.h
@@ -283,7 +283,9 @@ struct JsiAbiRuntime : facebook::jsi::Runtime {
     ~ValueRef() noexcept;
     operator facebook::jsi::Value const &() const noexcept;
 
-    using StoreType = std::aligned_storage_t<sizeof(DataPointerValue)>;
+    struct alignas(std::max_align_t) StoreType {
+      std::byte buffer[sizeof(DataPointerValue)];
+    };
     static void InitValueRef(JsiValueRef const &data, facebook::jsi::Value *value, StoreType *store) noexcept;
 
    private:
@@ -307,7 +309,9 @@ struct JsiAbiRuntime : facebook::jsi::Runtime {
     ~PropNameIDRef() noexcept;
     operator facebook::jsi::PropNameID const &() const noexcept;
 
-    using StoreType = std::aligned_storage_t<sizeof(DataPointerValue)>;
+    struct alignas(std::max_align_t) StoreType {
+      std::byte buffer[sizeof(DataPointerValue)];
+    };
 
    private:
     StoreType m_pointerStore{};