Surname Ruzai (Ruzai 
) , across the world, is a very rare last name. The cognomen Ruzai is habitual in Malaysia, where it is a very rare surname, Croatia, and South Africa, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Malaysia, India, and South Africa. More frequently, Ruzai is the forename as well as the last name.