Last name Thunyakan (Thunyakan 
) , throughout the world, is an extremely rare family name. Much more frequently, Thunyakan is the forename as well as the last name.
Pitak, Keawnui, Paiboon, Thiposod, Kullasing, Rittichai, Thitisongsirirut, Waranonwanich, Mongkholngam, and Hemathulin