There's only one person named 'Oscar' who has won an Oscar
Lyricist Oscar Hammerstein II is the only person named 'Oscar' to win at the Academy Awards. He was co-winner of two Oscar awards in the Best Original Song category. He won his first Oscar for the song 'The Last Time I Saw Paris' in 1942. Interestingly, actor Oskar Werner was once nominated for Best Actor at the event in 1966.