Last name بواس (Boas 
, Boass 
, Buaas 
) , throughout the world, is a common cognomen. The cognomen بواس is habitual in Portugal, where it is quite a common surname, Brazil, and Papua New Guinea. Measured by absolute frequency, this name is the most popular in Brazil, Portugal, and the United States. Very seldom, بواس is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Boas | Portugal, Brazil, United States, India, Indonesia |
| Boass | Brazil, United States, Argentina, Italy |
| Buaas | Norway, United States, India |
| بواس | Iran |