Cognomen Warunchana (Warunchana 
) , in all the world, is an extremely rare surname. The surname Warunchana is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Warunchana is the forename as well as the last name.
Jaiyong, Atiwithayaporn, Lapasrirat, Chatsomboon, and Thudsaringkarnsakul