diff --git a/src/Command/CreateUserCommand.php b/src/Command/CreateUserCommand.php
new file mode 100644
index 0000000..7931d1d
--- /dev/null
+++ b/src/Command/CreateUserCommand.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Command;
+
+use App\Entity\User;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
+
+#[AsCommand(
+    name: 'app:create-user',
+    description: 'Create a new user',
+)]
+final class CreateUserCommand extends Command
+{
+    public function __construct(
+        private readonly EntityManagerInterface $em,
+        private readonly UserPasswordHasherInterface $passwordHasher,
+    ) {
+        parent::__construct();
+    }
+
+    protected function configure(): void
+    {
+        $this
+            ->addArgument('username', InputArgument::REQUIRED, 'Username')
+            ->addArgument('password', InputArgument::REQUIRED, 'Plain text password')
+            ->addOption('admin', 'a', InputOption::VALUE_NONE, 'Grant ROLE_ADMIN');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $io = new SymfonyStyle($input, $output);
+
+        $username = $input->getArgument('username');
+        $plainPassword = $input->getArgument('password');
+
+        $existing = $this->em->getRepository(User::class)->findOneBy(['username' => $username]);
+
+        if ($existing) {
+            $io->error(sprintf('User "%s" already exists.', $username));
+
+            return Command::FAILURE;
+        }
+
+        $user = new User();
+        $user->setUsername($username);
+        $user->setPassword($this->passwordHasher->hashPassword($user, $plainPassword));
+        $user->setRoles($input->getOption('admin') ? ['ROLE_ADMIN'] : []);
+
+        $this->em->persist($user);
+        $this->em->flush();
+
+        $io->success(sprintf('User "%s" created%s.', $username, $input->getOption('admin') ? ' (admin)' : ''));
+
+        return Command::SUCCESS;
+    }
+}