Cognomen Cuasi (Quasi 
, Cuasi 
) , throughout the world, is a rare family name. The cognomen Cuasi is characteristic of Ghana, where it is quite a rare surname, Romania, where it is a rare surname, and Philippines, where it is a very rare surname. Also, Cuasi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Quasi | Philippines, Ghana, Jordan, United States, Oman |
| Cuasi | Romania, Philippines, Mexico, Colombia, India |