Family name Alasan (Alasan 
, Аласан 
) , all over the world, is a common last name. The family name Alasan is characteristic of Nigeria, where it is quite a common surname, Libya, where it is quite a rare surname, and Ghana, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Nigeria, Philippines, and Libya. Also, Alasan is the forename as well as the last name.