Family name Бихан (Бихан 
, Beahan 
) , in all the world, is a rare surname. The surname Бихан is habitual in Australia, where it is quite a rare surname, Ireland, where it is a rare surname, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in the United States, Australia, and the United Kingdom. Very seldom, Бихан is the forename as well as the last name.