Greenbaum is a surname and may refer to:
- Andrew Britt Greenbaum
- Daniel "Dan" Robert Greenbaum (born 1969), an American volleyball player
- Gus Greenbaum, American gangster
- Harrison Greenbaum (born 1986), an American stand-up comedian and comedy writer
- Joanne Greenbaum, New York Artist
- Mutz Greenbaum German cinematographer
- Norman Greenbaum, American singer-songwriter
- Sidney Greenbaum (1929 - 1996), a British scholar of the English language and linguistics
- Yitzhak Greenbaum
Read more about Greenbaum: Greenebaum