Henry Nissen OAM (born Henry Nissenbaum; 15 January 1948, in Belsen) is an Australian amateur flyweight and professional fly/bantam/featherweight boxer of the 1960s and '70s who as an amateur represented Australia and won the gold medal at flyweight in the boxing at the 1969 Maccabiah Games, and as a professional won the Australian flyweight title, and Commonwealth flyweight title, his professional fighting weight varied from 111+1⁄4 lb (50.5 kg; 7 st 13.3 lb), i.e. flyweight to 118+1⁄4 lb (53.6 kg; 8 st 6.3 lb), i.e. featherweight. He was inducted into the Australian National Boxing Hall of Fame in 2009. He currently works as a youth social worker, and is a founder of the Emerald Hill Mission.