Magne Havnå (16 September 1963 – 29 May 2004), of Arendal, Norway, was a professional boxer who once held the WBO world title in cruiserweight, beating Boone Pultz (USA) in 5 rounds in May 1990.
His son Kai Robin Havnaa is also a boxer in the cruiserweight division, currently undefeated as a professional.