Surname Eyan (Eyan 
) , all over the world, is a rare cognomen. The last name Eyan is habitual in South-eastern Asia, particularly Brunei, where it is quite a rare surname, Malaysia, where it is a rare surname, and Philippines. Measured by absolute frequency, this name is the most popular in Philippines, Malaysia, and Nigeria. Also, Eyan is the forename as well as the last name.