Magnan is a French surname. Notable people with the surname include:
Antoine Magnan (1881–1938), French zoologist and aeronautical engineer Bernard Pierre Magnan (1791–1865), Marshal of France Clothilde Magnan (born 1973), French fencer Dominique Magnan (1731–1796), French Minim friar Jean-Claude Magnan (born 1941), French fencer Marc Magnan (born 1962), Canadian ice hockey player Octave Magnan (1836–1921), Canadian politician Olivier Magnan (born 1986), Canadian ice hockey player Valentin Magnan (1835–1916), French psychiatrist
See also Magnin, a surname