Underworld
- Annu: 2003
- Paese: United States of America
- Genre: Fantasy, Action, Thriller
- Studio: Screen Gems, Lakeshore Entertainment
- Parolla chjave: budapest, hungary, love of one's life, vampire, subway, hostility, bite, descendant, hybrid, rivalry, shootout, werewolf, gothic, dark fantasy, lycanthrope, urban gothic, supernatural power, admiring
- Direttore: Len Wiseman
- Cast: Kate Beckinsale, Scott Speedman, Michael Sheen, Shane Brolly, Bill Nighy, Erwin Leder