Family name Moirin (Moirin 
) , in the entire world, is a rare surname. The last name Moirin is characteristic of Costa Rica, where it is a rare surname, France, and Argentina, where it is a very rare surname. Very seldom, Moirin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Moirin | Costa Rica, Australia, India, Argentina, France |
| odile moirin French politician, FR (b. 1942) |
|