Family name Ефтин (Eftin 
, Ефтин 
, Eftyn) , around the world, is a very rare cognomen. The last name Ефтин is habitual in Kazakhstan, where it is a rare surname, Russia, where it is a very rare surname, and Germany, where it is an extremely rare surname. Likewise, Ефтин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eftin | Greece, Romania, United States, Germany, Turkey |
| Ефтин | Russia, Kazakhstan |
| ефтин, павел степанович RU (b. 1855) |
|