Frances Allen (1932–2020) was an American computer scientist.
Frances Allen may also refer to: Frances J. Allen, Canadian general Frances Margaret Allen or Fanny Allen (1784–1819), Roman Catholic nun Frances Stebbins Allen (1854–1941), American photographer Frances Elizabeth Allan or Betty Allan (1905–1952), Australian statistician Frances Daisy Emery Allen (1876–1958), pioneering physician in Fort Worth, Texas See also Francis Allen (disambiguation)