Girls Under 21
- Tahun: 1940
- Negara: United States of America
- Genre: Drama, Adventure, Crime
- Studio: Columbia Pictures
- Kata kunci: mother, gangster, juvenile delinquent
- Pengarah: Max Nosseck
- Pelakon: Bruce Cabot, Rochelle Hudson, Paul Kelly, Tina Thayer, Roberta Smith, Lois Verner