Cognomen Boulaz (Boulaz 
, بولاز) , globally, is a rare last name. The cognomen Boulaz is habitual in Switzerland, where it is quite a rare surname, Morocco, where it is a rare surname, and France, where it is a very rare surname. Very seldom, Boulaz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Boulaz | Morocco, Switzerland, United States, France, Brazil |
|
loulou boulaz mountain climber and alpine skier (1908-1991), CH (b. 1908) |
|
| ivana boulaz (b. 1977) |
|