Cognomen Charoenchaisunan (Charoenchaisunan 
) , in the entire world, is a very rare last name. The last name Charoenchaisunan is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Sirisak, Akkapol, Thawisak, Wanravee, Patchanan, Patchanant, and Phatchanan