Gorenstein is a surname. Notable people with the surname include:
- Daniel Gorenstein (1923–1992), American mathematician, known for
- Eli Gorenstein (born 1952), Israeli actor, voice actor, singer and cellist
- Friedrich Gorenstein (1932–2002), Ukrainian author and screenwriter
- Hilda Goldblatt Gorenstein (1905–1998), artist and inspiration for the documentary I Remember Better When I Paint
- Mark Gorenstein (born 1946), Russian conductor
Horenstein may refer to:
- Irving Howe (born Horenstein; 1920–1993). Jewish American literary and social critic
- Jascha Horenstein (1898–1973), Ukrainian-born American conductor