Viper
In a BattleTech context, Viper may refer to:
- Viper (BattleMech), the 70-ton Inner Sphere BattleMech
- Viper (Dragonfly), the 40-ton Clan OmniMech, designated "Dragonfly" by the Inner Sphere
- Black Python (Viper), the 75-ton Clan BattleMech, designated "Viper" by the Inner Sphere
- Viper (Black Python), the Crusade edition CCG card
- Clan Steel Viper, often called the "(Steel) Vipers" for short
- Viper (Individual DropShip), Lyran Commonwealth DropShip
- Viper Lizard, reptile native to Orestes
- Lyran General "Viper" Volmer (first name not mentioned)