Last name Kalendarov (Календаров 
, Kalendarov 
) , in the entire world, is a rare family name. The last name Kalendarov is habitual in Kyrgyzstan, where it is quite a rare surname, Azerbaijan, and Bulgaria, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Russia, Kyrgyzstan, and Azerbaijan. Much less frequently, Kalendarov is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Календаров | Kazakhstan, Ukraine, Kyrgyzstan, Russia, Azerbaijan |
| Kalendarov | Israel, United States, Bulgaria |