Cognomen Thewi (ทิว 
, Thewi 
) , across the world, is a very rare family name. The surname Thewi is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Predominantly, Thewi is the forename as well as the last name.
Khamha, Sommart, Somphet, Raengkla, Limaolansuksakun, Ngaosiphai, Sriwichai, Chaichang, Boonruang, and Khuenmamueang