Surname Teerawitthayakul (Teerawitthayakul 
) , in all the world, is a very rare last name. The cognomen Teerawitthayakul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
Thananpayoot, Narongsak, Thananphoom, Thananpoom, and Patcharamon