Cognomen Wirabut (Wirabut 
) , across the world, is a very rare last name. The surname Wirabut is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Suwat, Intira, Usanee, Suriyan, Pattaya, Janwipa, Chanphen, Phaithoon, Busarakham, and Pratompong