Last name Байден (Baiden 
, Biden 
, Bayden 
) , worldwide, is a common family name. The family name Байден is characteristic of Ghana, where it is quite a common surname, Japan, where it is quite a rare surname, and Guinea, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Ghana, Japan, and the United States. Very seldom, Байден is the forename as well as the last name.