Cognomen Wankijcharoen (Wankijcharoen 
) , in the entire world, is an extremely rare last name. The last name Wankijcharoen is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
Atichai, Piyatad, Jirasin, Somphorn, Kittipos, Patamaporn, and Charoenporn