Around the world, ביון (Bion 
, ביון 
) is a rare principally male, but very infrequently girly forename. The forename ביון is habitual in Indonesia, where it is a very rare male name, the United States, and South Africa. Measured by absolute frequency, it is commonest in Indonesia, the United States, and India. More prevalently, ביון is the last name as well as the forename.