Cognomen کلندر (Qalandar 
, قلندر 
, Calender 
) , worldwide, is quite a rare family name. The surname کلندر is characteristic of Afghanistan, where it is quite a rare surname, Iran, and Syria, where it is a rare surname. In absolute terms, it is the most numerous in Southern Asia, particularly Afghanistan, Iran, and Pakistan. More prevalently, کلندر is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Qalandar | Pakistan, Saudi Arabia, Afghanistan, United States, India |
| قلندر | Syria, Iraq, Sudan, Afghanistan, Iran |
| Calender | United Kingdom, France, United States, India, South Africa |