Cognomen Tavinan (Tavinan 
) , across the world, is an extremely rare last name. The last name Tavinan is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Tavinan is the forename as well as the last name.
Kerdin, Puinta, Mooneak, Khempet, Morustien, Anupanpong, Chimmuang, Chidthai, Potisuwan, Nakamura, Tangsomruengvong, Sundarananda, Rungrojrattanaphum, and Rungrojrattanapoom