Cognomen Биско (Bisco 
, Biscoe 
, Биско 
) , throughout the world, is quite a common family name. The family name Биско is habitual in Isle of Man, where it is quite a rare surname, Philippines, and Slovakia, where it is a rare surname. Not in comparison with a country's population, it is commonest in Philippines, the United States, and Brazil. Very seldom, Биско is the forename as well as the last name.