Otto Delnon (1917 - February 1917) was a Swiss hockey player who was a member of the Swiss National Team at four World Championships between 1939 and 1950. Delnon captained Switzerland at the 1947 World Championship. He played club hockey for Montchoisi Lausanne and Young-Sprinters Hockey Club, among others. He helped organize a tour of Europe for the Chicago Blackhawks and New York Rangers in 1959. Delnon was twice convicted of fraud and spent time in prison on both occasions.