Throughout the world, Masten (Masten 
, Мастен 
) is a rare largely masculine, but seldom female forename. The first name Masten is habitual in Algeria, where it is a rare boy's name, South Africa, where it is a very rare gender-neutral name, and the United States, where it is an extremely rare principally boy's, but very seldom feminine name. Measured by absolute frequency, the name is most common in Algeria, India, and the United States. More frequently, Masten is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Masten | Italy, Algeria, Croatia, United States, Slovenia |
| Мастен | Kazakhstan |