Family name Iubin (Iubin 
, Юбин 
) , all over the world, is a rare cognomen. The surname Iubin is habitual in Belarus, where it is a rare surname, Georgia, where it is a very rare surname, and Russia. In absolute terms, it is the most numerous in China, Belarus, and Russia. Also, Iubin is the forename as well as the last name.