All around the world, Калван (Kalvan 
, Калван 
) is a rare gender-neutral forename. The given name Калван is characteristic of Tanzania, where it is a very rare male name, India, where it is a very rare gender-neutral name, and the United States, where it is an extremely rare male name. Also, Калван is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kalvan | Russia, United States, Tanzania, India, Brazil |
| Калван | Russia, Ukraine |