Around the world, Konstantinoff (Konstantinoff 
) is an extremely rare unknown gender forename. Predominantly, Konstantinoff is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Konstantinoff | Germany, Argentina, France, United States |
|
kostia konstantinoff French pianist, conductor, and composer of Russian origin, FR (b. 1903) |
|