Ingemar is a given name. People with the name include:

• Ingemar Backman (born 1976), Swedish professional snowboarder
• Ingemar Burgström (1926–1951), Swedish flyweight boxer
• Olai Ingemar Eikeland (1915–2003), Norwegian politician for the Centre Party
• Ingemar Erlandsson (born 1957), Swedish footballer
• Ingemar Hedberg (born 1920), Swedish flatwater canoeist
• Ingemar Hedenius (1908–1982), Swedish philosopher
• Ingemar Johansson (1932–2009), Swedish boxer, former heavyweight champion of the world
• Ingemar Johansson (racewalker) (1924–2009), Swedish athlete
• Byron Ingemar Johnson (1890–1964), 24th Premier of British Columbia, Canada (1947–1952)
• Ingemar Lindh (born 1945), Swedish theatre director and pedagogue
• Ingemar Henry Lundquist (1921–2007), inventor and mechanical engineer
• Ingemar Nilsson (born 1956), Swedish politician
• Carl Ingemar Perstad, for 24 years host of the Swedish Broadcasting Company (SVT) motoring show Trafikmagasinet
• Ingemar Ragnemalm, computer programmer, writer of the Sprite Animation Toolkit (SAT)
• Ingemar Ståhl (1938–2014), Swedish economist
• Ingemar Stenmark (born 1956), Swedish skier
• Ingemar Svensson (1929–2004), Swedish rower
• Ingemar Teever (born 1983), Estonian professional footballer
• Ingemar Thillberg, Swedish footballer
• Ingemar Vänerlöv (born 1944), Swedish Christian democratic politician