Family name Kalam Khan (Kalam Khan 
) , globally, is a rare last name. The family name Kalam Khan is characteristic of Oman, where it is a rare surname, Saudi Arabia, and Bangladesh. Not in comparison with a country's population, this name is the most popular in Bangladesh, Saudi Arabia, and India. Much less frequently, Kalam Khan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kalam Khan | Bangladesh, Oman, India, Malaysia, Saudi Arabia |