Osny Augusto Werner commonly known as Osny, (11 October 1898 - 14 May 1971) was a Brazilian football player. He was a member of the Brazilian squad at the 1916 and 1917 Copa America playing alongside Arthur Friedenreich, Amílcar Barbuy, and Casemiro. Osny, a Botafogo player, was one of the most cult and iconic figures in the early days of the Brazilian football. After retiring from football he started a new career as a referee.