Last name Usio (Usio 
, 牛尾 
) , in the entire world, is a very rare cognomen. The cognomen Usio is habitual in Argentina, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and Spain. In absolute terms, this name is the most popular in Argentina, Nigeria, and China. Likewise, Usio is the forename as well as the last name.