Family name বাজ (باز 
, বাজ 
) , in the world, is quite a common surname. The cognomen বাজ is habitual in Egypt, where it is quite a rare surname, Lebanon, and Saudi Arabia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Egypt, Bangladesh, and Saudi Arabia. Also, বাজ is the forename as well as the last name.