Hugo Viktor Österman (5 September 1892, Helsinki – 17 February 1975) was a Finnish Lieutenant-General during World War II. He was commander of the Finnish Army 1933-1939.
When the Winter War started Österman was made commander of the Army of the Isthmus, but was dismissed on 19 February 1940 after the Finnish lines had been breached.
Österman served as Deputy Minister of Defence from 10 June 1930 to 21 March 1931.