Family name Mapoi (Mapoi 
) , around the world, is a rare cognomen. The family name Mapoi is habitual in Sub-Saharan Africa, particularly Tanzania, where it is a rare surname, and South Africa, where it is a very rare surname. Very seldom, Mapoi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mapoi | Tanzania, South Africa |