Last name Losirikul (Losirikul 
) , worldwide, is a very rare family name. The family name Losirikul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Losirikul | Thailand |
ลอศิริกุล, ลออสิริกุล, and โล่ศิริกุล