Family name Lhoucin (Lhoucin 
) , globally, is a rare surname. The cognomen Lhoucin is habitual in Morocco, where it is a rare surname, and Belgium, where it is a very rare surname. More prevalently, Lhoucin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lhoucin | France, Belgium, Morocco |