Last name Сулуй (Sului 
, Сулуй 
) , across the world, is a rare cognomen. The cognomen Сулуй is habitual in Malaysia, where it is a rare surname, New Zealand, where it is a very rare surname, and Indonesia. Not in comparison with a country's population, it is the most numerous in Indonesia, Malaysia, and Australia. Very seldom, Сулуй is the forename as well as the last name.