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

• Club: Sentrum BK, Oslo, under legendary trainer Leif Hvalby, who was amateur champion and a sparring partner for the Danish EBU champion Christian Christensen in the 1950s and '60s.
• 1981 Scandavian Junior Amateur heavyweight champion
• 1984 Norwegian heavyweight champion
• Represented Norway as a Heavyweight at 1984 Los Angeles Olympic Games.
  • Lost to Haakan Brock (Sweden) KO by 3
• 1985 Norwegian heavyweight champion
• 1986 Norwegian heavyweight champion

After boxing in the 1984 Summer Olympics, Havnå turned pro in 1986. During his career, Havnå had 22 professional fights with 19 wins. His first fight was a 4-round decision over the UK's Johnny Nelson, who later on also became a world champion.

Havnå died in May 2004 in Lindgrov, Risør, Aust-Agder in a boat accident at the age of 40.^[1] Magne Havnå's brother Erling Havnå is one of the men convicted for participating in the NOKAS bank robbery of 2004.

• List of world cruiserweight boxing champions