Family name 乌诺 (Uno 
, Uuno 
, 乌诺) , in all the world, is a common last name. The surname 乌诺 is habitual in El Salvador, where it is quite a rare surname, Guatemala, and Indonesia. Not in comparison with a country's population, it most frequently occurs in Indonesia, Nigeria, and Philippines. Also, 乌诺 is the forename as well as the last name.