Cognomen Илэйн (Elaine 
, Илэйн 
) , around the world, is a common last name. The last name Илэйн is habitual in Macao, where it is quite a rare surname, Hong Kong, and Singapore. Measured by absolute frequency, the name is most common in China, Malaysia, and the United States. Predominantly, Илэйн is the forename as well as the last name.