Karl Gunnar Larsson (born 12 May 1951) is a former swimmer from Sweden.

He also won the 200 metre individual medley event at the same Olympic Games, setting the new world record.

[2] A year later, 1973, Larsson won the 200 metre individual medley at the first official FINA World Championships in Belgrade.

[3] Together with Arne Borg he is considered as Sweden's greatest swimmer of all time.

Later he took miscellaneous jobs, mostly with McDonald's and the Swedish Swimming Federation (2000–2005); he also did one year of acting in 2003.