Family name Bahaâ (بهاء 
, Bahaâ) , all around the world, is a common last name. The surname Bahaâ is habitual in Egypt, where it is quite a common surname, Iraq, where it is quite a rare surname, and Syria. In absolute terms, it is commonest in Egypt, Iraq, and Sudan. More frequently, Bahaâ is the forename as well as the last name.