Surname Mabwai (Mabwai 
) , globally, is a rare cognomen. The cognomen Mabwai is habitual in Tanzania, where it is a rare surname, Kenya, and the United Kingdom, where it is an extremely rare surname. Very seldom, Mabwai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mabwai | Tanzania, United States, United Kingdom, Kenya |