diff --git a/.changeset/modern-hornets-fold.md b/.changeset/modern-hornets-fold.md
new file mode 100644
index 00000000000..a0fb384685f
--- /dev/null
+++ b/.changeset/modern-hornets-fold.md
@@ -0,0 +1,5 @@
+---
+"@clerk/react": patch
+---
+
+Fix `ReferenceError: Property 'document' doesn't exist` crash in React Native environments by conditionally loading UI scripts only in standard browser contexts.
diff --git a/packages/react/src/isomorphicClerk.ts b/packages/react/src/isomorphicClerk.ts
index db2cc3adeef..4fc5eef95af 100644
--- a/packages/react/src/isomorphicClerk.ts
+++ b/packages/react/src/isomorphicClerk.ts
@@ -468,11 +468,13 @@ export class IsomorphicClerk implements IsomorphicLoadedClerk {
     }
 
     try {
-      const ClerkUI = await this.getClerkUIEntryChunk();
       const clerk = await this.getClerkJsEntryChunk();
 
       if (!clerk.loaded) {
         this.beforeLoad(clerk);
+        // Only load UI scripts in standard browser environments (not native/headless)
+        const shouldLoadUi = !this.options.Clerk && this.options.standardBrowser !== false;
+        const ClerkUI = shouldLoadUi ? await this.getClerkUIEntryChunk() : undefined;
         await clerk.load({ ...this.options, ui: { ...this.options.ui, ClerkUI } });
       }
       if (clerk.loaded) {