Surname Tungfung (Tungfung 
) , all around the world, is an extremely rare last name. The cognomen Tungfung is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tungfung | Thailand |
Ratana, Ratipon, Nattika, Kornnarong, and Channarong