Last name Souich (Souich 
) , throughout the world, is a very rare family name. The last name Souich is characteristic of Western Europe, particularly France, where it is a very rare surname, and Netherlands.
| VARIANT | COUNTRY |
|---|---|
| Souich | France, Netherlands |
|
charles du souich rugby union player (1890-1970), FR (b. 1890) |
|
| guy du souich FR (b. 1922) |
|