Family name Сощин (Сощин 
, Soshchin , Soschin 
) , throughout the world, is a rare surname. The last name Сощин is habitual in Russia, where it is a very rare surname, Israel, and Germany, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Russia, the United States, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Soshchin, Сощин | Russia |
| Soschin | Israel, Argentina, Germany, United States |