Cognomen Srisaengjun (Srisaengjun 
) , globally, is an extremely rare family name. The surname Srisaengjun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Srisaengjun | Thailand |
Sirinlak, Suthawan, and Krajornyot