Elizabeth Alexander may refer to:

• Elizabeth Alexander (actress) (born 1952), Australian actress
• Elizabeth Alexander (scientist) (1908–1958), British born geologist, physicist and radio astronomer
• Elizabeth Alexander (businesswoman), chancellor of the University of Melbourne
• Elizabeth Alexander (composer) (born 1962), American composer
• Elizabeth Alexander (poet) (born 1962), American poet, essayist, playwright and professor
• Elizabeth Alexander (press secretary), press secretary for U.S. Vice President Joe Biden