Ræder or Raeder is a surname. Notable people with the surname include:
Anton Ræder (1855–1941), Norwegian philologist and historian Cap Raeder (born 1953), American former ice hockey goaltender and coach Carl Gustav Valdemar Ræder (1837–1887), Danish farmer and writer Einar Ræder (1896–1976), Norwegian long jumper Erich Raeder (1876–1960), naval leader in Germany who played a major role in the naval history of World War II Georg Ræder (1814–1898), Norwegian military officer, railway pioneer and politician Jacques Ræder (1831–1920), Norwegian military officer Johan Christopher Ræder (1859–1943), Norwegian military officer Johan Christopher Ræder (1782–1853) (1782–1853), Norwegian military officer Johan Georg A. Ræder (1905–1981), Norwegian diplomat Johan Georg Frederik Ræder (1834–1909), Danish civil servant and writer Johan Georg Raeder (1889–1959), Norwegian ophthalmologist known for his studies on glaucoma Johan Georg Ræder (1751–1808) (1751–1808), Norwegian military officer Lukas Raeder (born 1993), German footballer Nicolai Ditlev Ammon Ræder (1817–1884), Norwegian jurist and politician Ole Munch Ræder (1815–1895), Norwegian jurist and diplomatist Oscar Alexander Ræder (1844–1877), Danish writer Peter Nicolay Ræder (born 1943), Norwegian diplomat Rudolf Falck Ræder (1881–1951), Norwegian military officer, engineer and politician for the Liberal Left Party
See also Rader, a surname Rayder, a surname Reder, a surname Rehder, a surname