Around the globe, Lamarche (Lamarche 
) is an extremely rare epicene first name. Much more frequently, Lamarche is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Lamarche | United States, Dominican Republic, France, Belgium, Canada |
| numa lamarche (b. 1847) |
|
|
|
gara lamarche American philanthropist, US (b. 1954) |
|
| frantz lamarche French magistrate, FR (b. 1954) |
|