Family name Vappa (Guapo 
, Gwapo 
, Vappa 
) , in the world, is quite a common surname. The cognomen Vappa is characteristic of Morocco, where it is quite a rare surname, Guatemala, and Mexico. Much less frequently, Vappa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guapo | Saudi Arabia, Mexico, Guatemala, Algeria, Morocco |
| Gwapo | Saudi Arabia, Philippines, United Arab Emirates, United States, Morocco |
| Vappa | Nigeria, India, Greece |
| Guapu | Philippines |