Stephen Miller may refer to:
- Stephen Miller (Minnesota governor) (1816–1881), American Republican politician
- Stephen Decatur Miller (1787–1838), American politician
- Stephen G. Miller (1942–2021), American archaeologist
- Stephen Geoffrey Miller (born 1964), American actor known professionally as Stephen Geoffreys
- Stephen Miller (athlete) (born 1980), British Paralympic club and discus thrower
- Stephen Miller (political advisor) (born 1985), American advisor to President Donald Trump
- Stephen Paul Miller (born 1951), American poet and academic
- Stephen Miller (writer) (born 1941), American essayist
- Stephen A. Miller (1940–1993), American entrepreneur
- Stephen Miller (surgeon), Scottish ophthalmic surgeon
- Stephen Miller of Cardiff, a British citizen wrongfully convicted of the murder of Lynette White in 1988 in Cardiff, Wales, UK
- Stephen C. Miller (born 1943), college football coach at Carroll College, 1972–1976