Surname Kasir (Kasir 
, قصير 
, Касир 
) , worldwide, is quite a common cognomen. The surname Kasir is characteristic of Syria, where it is quite a rare surname, Lebanon, and Sudan. Not in comparison with a country's population, it is commonest in Indonesia, Syria, and Sudan. Also, Kasir is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kasir | Pakistan, Malaysia, Indonesia, Saudi Arabia, India |
| قصير | Yemen, Sudan, Syria, Iraq, Saudi Arabia |
| Касир | Kyrgyzstan, Russia, Bulgaria, Kazakhstan, Ukraine |
| Kassier | Sri Lanka, Singapore, South Africa, United States, India |