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 | Malaysia, Saudi Arabia, India, Pakistan, Indonesia |
| قصير | Yemen, Sudan, Saudi Arabia, Syria, Iraq |
| Касир | Kazakhstan, Bulgaria, Kyrgyzstan, Russia, Ukraine |
| Kassier | Singapore, India, Sri Lanka, South Africa, United States |