Surname Tanmukayakul (Tanmukayakul 
) , throughout the world, is a very rare family name. The surname Tanmukayakul is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tanmukayakul | Thailand |
Apiwat, Khanidtha, and Atthaphong