Family name Masakatsu (Masakatsu 
, マサカツ , Масакацу 
) , in the entire world, is quite a common surname. The family name Masakatsu is characteristic of Japan, where it is quite a rare surname, Malaysia, where it is a very rare surname, and China. Very seldom, Masakatsu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Masakatsu | Japan, China, Malaysia, United States, Brazil |
| マサカツ | Japan |
| Масакацу | Ukraine |
| naitō masakatsu (b. 1643) |
|