Last name Bosir (Bosir 
) , all over the world, is quite a rare cognomen. The last name Bosir is characteristic of Western Asia, particularly Oman, where it is quite a rare surname, Bahrain, and Qatar. Not in comparison with a country's population, it is the most numerous in Bangladesh, Saudi Arabia, and Oman. More frequently, Bosir is the forename as well as the last name.