Susan Miller (or similar) may refer to:
- Susanne Miller (1915–2008), Bulgarian-British-German left wing activist and historian
- Sue Miller (cancer activist) (1934–2017), American model and author
- Sue Miller (born 1943), American novelist and short story writer
- Susan Miller (playwright) (born 1944), American Guggenheim Fellow and Obie winner
- Susan Cummins Miller (born 1949), American author of mystery novels
- Susan Katz Miller, American journalist and author
- Suzie Miller, Australian human rights lawyer and, since 2002, playwright
- Susan A. Miller (born 1978), American Indian historian
- Susan Miller, Baroness Miller of Chilthorne Domer (born 1954), English politician, member of House of Lords
- Susan Miller (astrologer), American astrologer
- Susan Miller (producer), American television, film, digital media, book and licensing executive starting in 1980s
- Susan Barse Miller, American painter
- Suzanne Miller, Canadian curler in 2012 Moosehead Fall Open#Women