Ræder or Raeder is a surname. Notable people with the surname include:
Anton Ræder (1855–1941), Norwegian philologist and historianCap Raeder (born 1953), American former ice hockey goaltender and coachCarl Gustav Valdemar Ræder (1837–1887), Danish farmer and writerEinar Ræder (1896–1976), Norwegian long jumperErich Raeder (1876–1960), naval leader in Germany who played a major role in the naval history of World War IIGeorg Ræder (1814–1898), Norwegian military officer, railway pioneer and politicianJacques Ræder (1831–1920), Norwegian military officerJohan Christopher Ræder (1859–1943), Norwegian military officerJohan Christopher Ræder (1782–1853) (1782–1853), Norwegian military officerJohan Georg A. Ræder (1905–1981), Norwegian diplomatJohan Georg Frederik Ræder (1834–1909), Danish civil servant and writerJohan Georg Raeder (1889–1959), Norwegian ophthalmologist known for his studies on glaucomaJohan Georg Ræder (1751–1808) (1751–1808), Norwegian military officerLukas Raeder (born 1993), German footballerNicolai Ditlev Ammon Ræder (1817–1884), Norwegian jurist and politicianOle Munch Ræder (1815–1895), Norwegian jurist and diplomatistOscar Alexander Ræder (1844–1877), Danish writerPeter Nicolay Ræder (born 1943), Norwegian diplomatRudolf Falck Ræder (1881–1951), Norwegian military officer, engineer and politician for the Liberal Left Party