Cognomen Rochanawongchai (Rochanawongchai 
) , all around the world, is a rare last name. The last name Rochanawongchai is habitual in Thailand, where it is a rare surname, and China, where it is an extremely rare surname. Very seldom, Rochanawongchai is the forename as well as the last name.
Chiraroj, Penpilai, and Chamaikarn