Cognomen Gustafa (Gustafa 
) , in all the world, is a rare surname. The cognomen Gustafa is characteristic of Tanzania, where it is a rare surname, Indonesia, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Gustafa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gustafa | Tanzania, Morocco, India, Indonesia |