Firstborn
- Taon: 1984
- Bansa: United States of America
- Genre: Drama, Thriller
- Studio: Jaffe-Lansing, Witt/Thomas Productions, Paramount Pictures
- Keyword: tension, little brother
- Direktor: Michael Apted
- Cast: Teri Garr, Peter Weller, Christopher Collet, Corey Haim, Sarah Jessica Parker, Robert Downey Jr.