Cognomen กุลกรอง (กุลกรอง 
) , throughout the world, is an extremely rare surname. The family name กุลกรอง is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, กุลกรอง is the forename as well as the last name.
ติราศัย, and พจน์สมพงศ์