Last name Zesar (قيصر 
, Zesar 
, Цезар 
) , worldwide, is a common family name. The surname Zesar is habitual in Syria, where it is quite a common surname, Iraq, where it is quite a rare surname, and Libya. In absolute terms, this name is the most popular in Iraq, Syria, and Egypt. More prevalently, Zesar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| قيصر | Iran, Syria, Sudan, Egypt, Iraq |
| Zesar | Indonesia, Romania, Austria, Spain, Mexico |
| Цезар | Kazakhstan, Armenia, Russia, Belarus |
| Цезарь | Russia, Kyrgyzstan, Ukraine, Belarus |