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 | Romania, Malaysia, United States, France, Democratic Republic of the Congo |
| Сердин | Kyrgyzstan, Russia |
| Serdyn | Netherlands, Greece, United States, South Africa |