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