Cognomen Katcharin (Katcharin 
) , in all the world, is an extremely rare surname. The cognomen Katcharin is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Katcharin is the forename as well as the last name.
Yookomchot, Sujasri, Somthrong, Klinsorn, Pinchai, Phonhan, Mahawong, Sangsiri, Kaysmith, Kaewsith, Kovitvoravut, Pradittphon, Siripaiboon, and Wattanasup