Surname กุหลั่น (Kulan 
, กุหลั่น) , in the entire world, is quite a rare last name. The last name กุหลั่น is habitual in Somalia, where it is quite a rare surname, Slovakia, and Turkey. Measured by absolute frequency, this name is the most popular in Turkey, Philippines, and Somalia. Likewise, กุหลั่น is the forename as well as the last name.