Worldwide, کلندر (Qalandar 
, قلندر 
, Calender 
) is a common boy's given name. The first name کلندر is characteristic of Pakistan, where it is quite a common boy's name, Afghanistan, where it is quite a rare boy's name, and United Arab Emirates, where it is a rare male name. Measured by absolute frequency, it is commonest in Pakistan, Afghanistan, and Saudi Arabia. Much less frequently, کلندر is the last name as well as the forename.
| 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 |