Siren
Siren may refer to:
- Siren (Aerospace Fighter class), the apocryphal low-speed ground attack craft
- Siren (continent), one of Sterope V's three continents
- Siren (MechCommander), a MechWarrior from the MechCommander video game
- Siren (MWO Hero 'Mech), Victor Vandergriff's personal Banshee from MechWarrior Online Legends and MechWarrior 5: Mercenaries
- Siren (ProtoMech), the reconnaissance ProtoMech