diff --git a/apps/web/src/app/(unauthenticated)/signin/page.tsx b/apps/web/src/app/(unauthenticated)/signin/page.tsx
index a4890d849..0b0333b65 100644
--- a/apps/web/src/app/(unauthenticated)/signin/page.tsx
+++ b/apps/web/src/app/(unauthenticated)/signin/page.tsx
@@ -13,12 +13,14 @@ export default function SignInPage() {
 
       <SignInForm className="mt-4" />
 
-      <p className="text-muted-foreground mt-6 text-center text-sm">
-        Don't have an account?{' '}
-        <Link href="/signup" className="text-primary duration-200 hover:opacity-70">
-          Sign up
-        </Link>
-      </p>
+      {process.env.NEXT_PUBLIC_DISABLE_SIGNUP !== 'true' && (
+        <p className="text-muted-foreground mt-6 text-center text-sm">
+          Don't have an account?{' '}
+          <Link href="/signup" className="text-primary duration-200 hover:opacity-70">
+            Sign up
+          </Link>
+        </p>
+      )}
 
       <p className="mt-2.5 text-center">
         <Link
diff --git a/apps/web/src/app/(unauthenticated)/signup/page.tsx b/apps/web/src/app/(unauthenticated)/signup/page.tsx
index 0d82e5c4f..353716d9b 100644
--- a/apps/web/src/app/(unauthenticated)/signup/page.tsx
+++ b/apps/web/src/app/(unauthenticated)/signup/page.tsx
@@ -1,8 +1,13 @@
 import Link from 'next/link';
+import { redirect } from 'next/navigation';
 
 import { SignUpForm } from '~/components/forms/signup';
 
 export default function SignUpPage() {
+  if (process.env.NEXT_PUBLIC_DISABLE_SIGNUP === 'true') {
+    redirect('/signin');
+  }
+
   return (
     <div>
       <h1 className="text-4xl font-semibold">Create a new account</h1>
diff --git a/packages/trpc/server/auth-router/router.ts b/packages/trpc/server/auth-router/router.ts
index 59c51ade5..24dd272ee 100644
--- a/packages/trpc/server/auth-router/router.ts
+++ b/packages/trpc/server/auth-router/router.ts
@@ -11,6 +11,13 @@ import { ZSignUpMutationSchema, ZVerifyPasswordMutationSchema } from './schema';
 export const authRouter = router({
   signup: procedure.input(ZSignUpMutationSchema).mutation(async ({ input }) => {
     try {
+      if (process.env.NEXT_PUBLIC_DISABLE_SIGNUP === 'true') {
+        throw new TRPCError({
+          code: 'BAD_REQUEST',
+          message: 'Signups are disabled.',
+        });
+      }
+
       const { name, email, password, signature } = input;
 
       const user = await createUser({ name, email, password, signature });