Susan Allen may refer to:
Susan Allen (politician) (born 1963), American politician, member of the Minnesota House of Representatives Susan Allen (musician) (1951–2015), American harpist and music educator Susan D. Allen (born 1943), American engineering professor and academic administrator Susan Brown Allen (born 1964), American author, political consultant, and first lady of Virginia Susan E. Cannon Allen (1859–1935), African-American suffragist and temperance activist
See also Sue Allen (born 1947), American politician, member of the Missouri House of Representatives