Last name イレイン (Ireen 
, イレイン) , across the world, is quite a rare cognomen. The family name イレイン is habitual in Bangladesh, where it is a rare surname, Nigeria, where it is a very rare surname, and Malaysia. In absolute terms, the name is most common in Bangladesh, Nigeria, and India. More prevalently, イレイン is the forename as well as the last name.