Around the world, Lavanchy (Lavanchy 
) is an extremely rare largely male, but seldom feminine given name. Much more frequently, Lavanchy is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Lavanchy | Argentina, United States, Switzerland, France, Chile |
| numa lavanchy Swiss footballer, CH (b. 1993) |
|