Family name Ahlan (Ahlan 
, اهلان 
, อาหลาน 
) , in the entire world, is quite a rare last name. The cognomen Ahlan is habitual in Reunion, where it is quite a common surname, Morocco, where it is a rare surname, and Nigeria. Measured by absolute frequency, the name is most common in Nigeria, Indonesia, and Morocco. Also, Ahlan is the forename as well as the last name.