Surname Mastad (Mastad 
) , worldwide, is a rare cognomen. The family name Mastad is characteristic of Norway, where it is quite a rare surname, Canada, where it is a very rare surname, and India, where it is an extremely rare surname. Likewise, Mastad is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mastad | Norway, India, Canada, Indonesia |
| viggo mastad Norwegian musician (b. 1963) |
|