Margaret Fox (disambiguation)

Margaret Fox (1833–1893) and her sisters were noted 19th-century spiritualists.

Margaret Fox may also refer to:
 * Margaret Fell (1614–1702), Quaker leader
 * Margaret R. Fox (1916–2006), American computer scientist
 * Margaret Taylor Fox (1857–c. 1941), American artist
 * Margaret Ellen Fox, American girl who disappeared in 1974
 * Margaret Fox (sprinter), winner of the 1997 4 × 400 meter relay at the NCAA Division I Indoor Track and Field Championships