IFK Lidingö is a Swedish sports club, part of the IFK system, based on the island of Lidingö outside Stockholm. Although the club takes part in numerous sports, it is most famous for its football, athletics and orienteering sections. The football team are called IFK Lidingö FK.
The club was founded in 1932 and currently has 400 members, most of them under 15 years of age. The club arranges Lidingöloppet, which attracts nationwide attention.
Famous former football players include Mikael Dorsin and Magnus Pehrsson. Most notable among former athletes at the club is Ludmila Engquist and Mattias Sunneborn. The orienteerers has have two world champions, Lucie Böhm (1997) and Graham Gristwood (2008).