Surname Когстантин (Когстантин 
) , in all the world, is an extremely rare family name. The last name Когстантин is characteristic of Central Asia, particularly Kyrgyzstan, where it is a very rare surname. More prevalently, Когстантин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Когстантин | Kyrgyzstan, Russia, Ukraine |