Last name Byusa (Byusa 
) , globally, is a rare surname. The family name Byusa is habitual in Rwanda, where it is a rare surname, Netherlands, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Byusa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Byusa | Malaysia, Rwanda, United States, India, Netherlands |