Worldwide, Lemattre-Gontcharoff (Lemattre-Gontcharoff 
) is an extremely rare unknown gender forename. Much more frequently, Lemattre-Gontcharoff is the last name as well as the forename. Parts of the name also exists independently as a last name Lemattre, and a last name Gontcharoff.
| VARIANT | COUNTRY |
|---|---|
| Lemattre-Gontcharoff | France |