Cognomen Mapusaga (Mapusaga 
) , worldwide, is a very rare surname. The surname Mapusaga is habitual in Australia and New Zealand, particularly New Zealand, where it is a very rare surname, and Australia. Much less frequently, Mapusaga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mapusaga | Australia, New Zealand, United States |