Andrew Mercer may refer to:
People:
- Andrew Mercer (cricketer) (born 1979), English cricketer
- Andrew Mercer (poet) (1775–1842), Scottish poet
- Andrew Egyapa Mercer (born 1973), Ghanaian politician and lawyer
- Andrew Mercer (mayor), New Zealand politician
- Andrew Mercer (curler), Canadian curler
Institutions:
- Andrew Mercer Reformatory for Women, former prison and treatment facility for women in Toronto, Canada.