Last name Каламуддин (Каламуддин 
) , around the globe, is a very rare cognomen. The family name Каламуддин is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname. Much less frequently, Каламуддин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Каламуддин | Russia |