Family name Сердин (Serdin 
, Сердин 
, Serdyn 
) , in all the world, is a rare surname. The last name Сердин is characteristic of Romania, where it is quite a rare surname, South Africa, where it is a rare surname, and France. Very seldom, Сердин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Serdin | United States, Democratic Republic of the Congo, Malaysia, Romania, France |
| Сердин | Kyrgyzstan, Russia |
| Serdyn | South Africa, Greece, United States, Netherlands |