Family name Singhavejsakul (Singhavejsakul 
) , in the world, is a very rare cognomen. The cognomen Singhavejsakul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Singhavejsakul | Thailand |
Jesda, Tasanee, Pitchaya, and Thouchapon