Family name Bichun (必春 
, 碧纯 , Bichun 
) , all around the world, is quite a rare surname. The cognomen Bichun is characteristic of Belarus, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Poland, where it is a very rare surname. In absolute terms, it most frequently occurs in China, Belarus, and Russia. More prevalently, Bichun is the forename as well as the last name.