Under Siege
- Blwyddyn: 1992
- Gwlad: France, United States of America
- Genre: Action, Thriller
- Stiwdio: Regency Enterprises, Warner Bros. Pictures, Alcor Films, Arnon Milchan Productions, Le Studio Canal+
- Allweddair: martial arts, war ship, mercenary, nuclear missile, u.s. navy, hostage-taking, terrorism, one against many, battleship, action hero, good versus evil
- Cyfarwyddwr: Andrew Davis
- Cast: Steven Seagal, Tommy Lee Jones, Gary Busey, Erika Eleniak, Colm Meaney, Damian Chapa