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 | Switzerland, France, Chile, United States, Argentina |
| numa lavanchy Swiss footballer, CH (b. 1993) |
|