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