Last name ウシオ (ウシオ 
, Ushio 
) , around the globe, is quite a rare family name. The cognomen ウシオ is habitual in Japan, where it is a rare surname, New Zealand, where it is a very rare surname, and the United States. Not in comparison with a country's population, it most frequently occurs in Japan, the United States, and China. More frequently, ウシオ is the forename as well as the last name.