Family name Thahanna (Thahanna 
) , all around the world, is a very rare cognomen. The family name Thahanna is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thahanna | Thailand |
Natpapon, Nutprapon, Pranomkorn, and Phetchanutda