Gustav Erik Larsson (born 20 September 1980) is a Swedish former professional road racing cyclist, who rode professionally between 2001 and 2016 for nine different teams. Larsson specialised as a time trialist, winning the Swedish National Time Trial Championships seven times between 2006 and 2015, and won silver medals at the Beijing Olympics in 2008 and the 2009 World Championships in Mendrisio.