Judith or Judy Green may refer to:
- Judith Green (historian), English Anglo-Norman historian based at the University of Edinburgh
- Judith Green (swimmer) (born 1967), Australian Paralympic swimmer
- Judy Green (mathematician), logician and historian of women in mathematics
- Judy Green (socialite) (1931–2001), US novelist and philanthropist
- Judy Green (volleyball coach), head volleyball coach at the University of Alabama