Surname אואנו (Ueno 
, אואנו 
) , all around the world, is quite a common cognomen. The last name אואנו is characteristic of Hong Kong, where it is quite a rare surname, Japan, and Brazil, where it is a rare surname. In absolute terms, this name is the most popular in Brazil, Japan, and the United States. Very seldom, אואנו is the forename as well as the last name.