Cognomen Sirsek (Sirsek 
) , around the globe, is a very rare last name. The family name Sirsek is habitual in Latin America and the Caribbean, particularly Argentina, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sirsek | Argentina |
| aaron sirsek Argentinian association football player, AR (b. 1984) |
|