Surname Biir (Biir 
) , all over the world, is a very rare last name. The cognomen Biir is habitual in United Arab Emirates, where it is a rare surname, Morocco, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it is the most numerous in Morocco, United Arab Emirates, and India. Very seldom, Biir is the forename as well as the last name.