Surname بوسير (Boser 
, Bowser 
, Bosier 
) , in all the world, is a common last name. The last name بوسير is characteristic of the United States, where it is quite a rare surname, Canada, and Switzerland. Measured by absolute frequency, this name is the most popular in the United States, Canada, and the United Kingdom. Very seldom, بوسير is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Boser | United Kingdom, United States, India, Canada, Germany |
| Bowser | United Kingdom, United States, Australia, Canada, Germany |
| Bosier | United Kingdom, United States, Mexico, France, Canada |
| بوسير | Libya |