All over the world, Mastri (Mastri 
) is a rare epicene first name. The first name Mastri is characteristic of Pakistan, where it is a very rare masculine name, Indonesia, where it is a very rare epicene name, and Italy, where it is a very rare mostly male, but uncommonly feminine name. In absolute terms, it is commonest in Indonesia, Pakistan, and India. More frequently, Mastri is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mastri | Indonesia, India, Italy, Pakistan, United States |