Last name Kosirikul (Kosirikul 
) , globally, is an extremely rare cognomen. The cognomen Kosirikul is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kosirikul | Thailand |
กอศิริกุล, ก่อสิริกุล, โคศิริกุล, and โฆศิริกุล
Sirin, Supawee, and Nartchanok