Family name Mubaya (Mubaya 
) , globally, is a rare last name. The cognomen Mubaya is habitual in Zimbabwe, where it is quite a rare surname, Tanzania, where it is a rare surname, and Canada, where it is a very rare surname. In absolute terms, this name is the most popular in Zimbabwe, Tanzania, and the United Kingdom. Much less frequently, Mubaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mubaya | Tanzania, Canada, United Kingdom, India, Zimbabwe |