Viper

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) (CCG - Crusade), the Crusade edition CCG card

• Viper (Individual DropShip), a Lyran Commonwealth DropShip of unspecified class
• Viper (Individual Overlord-class DropShip), a Federated Commonwealth Dropship
• Viper Lizard, a reptile native to Orestes
• "Viper" Volmer, a Lyran general during the Late Succession Wars era
• Clan Steel Viper, often called the "(Steel) Vipers" for short
• Warren Windsor, whose nickname/callsign was "Viper"
• Serena Woodrow, whose nickname/callsign was "Viper"