diff --git a/.changeset/giant-poems-drum.md b/.changeset/giant-poems-drum.md
new file mode 100644
index 00000000000..d534eba8a14
--- /dev/null
+++ b/.changeset/giant-poems-drum.md
@@ -0,0 +1,10 @@
+---
+'@clerk/clerk-expo': patch
+---
+
+Support `EXPO_PUBLIC_` prefixes for env variables.
+```dotenv
+## .env
+
+EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY=xxxxxxxx
+```
diff --git a/packages/expo/src/ClerkProvider.tsx b/packages/expo/src/ClerkProvider.tsx
index c7a5e3fef8d..fc4f804c306 100644
--- a/packages/expo/src/ClerkProvider.tsx
+++ b/packages/expo/src/ClerkProvider.tsx
@@ -15,7 +15,8 @@ export type ClerkProviderProps = ClerkReactProviderProps & {
 
 export function ClerkProvider(props: ClerkProviderProps): JSX.Element {
   const { children, tokenCache = MemoryTokenCache, publishableKey, ...rest } = props;
-  const key = publishableKey || process.env.CLERK_PUBLISHABLE_KEY || '';
+  const key =
+    publishableKey || process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY || process.env.CLERK_PUBLISHABLE_KEY || '';
 
   return (
     <ClerkReactProvider