Last name الكوين (Alquin 
, الكوين 
) , across the world, is a rare surname. The family name الكوين is characteristic of Saudi Arabia, where it is a rare surname, Tanzania, where it is a very rare surname, and Honduras. Not in comparison with a country's population, it is commonest in Saudi Arabia, Tanzania, and Philippines. More prevalently, الكوين is the forename as well as the last name.