Around the globe, Kosir (Kosir 
, Košir ) is a rare epicene given name. The given name Kosir is characteristic of Saudi Arabia, where it is a rare masculine name, Bangladesh, and Pakistan, where it is a very rare dominantly female, but infrequently masculine name. In absolute terms, the name is most common in Southern Asia, particularly Bangladesh, Pakistan, and India. More frequently, Kosir is the last name as well as the forename.