Last name Kaivan (Kaivan 
) , in the world, is a rare surname. The last name Kaivan is habitual in Indonesia, where it is a very rare surname, Nicaragua, and Iran. Not in comparison with a country's population, it is commonest in Indonesia, India, and Iran. More frequently, Kaivan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaivan | Iraq, India, Indonesia, United States, Iran |