The Eurocopter AS550 Fennec and AS555 Fennec 2 are lightweight, multipurpose military helicopters manufactured by Eurocopter Group. Based on the AS350 Ecureuil and AS355 Ecureuil 2 series, they are named after the fennec fox. The armed versions of the AS550 and AS555 can be fitted with coaxial weapons, rockets, torpedoes and various other munitions.

The Eurocopter AS350 Écureuil, now Airbus Helicopters H125, is a single-engine light utility helicopter originally designed and manufactured in France by Aérospatiale and Eurocopter. In North America, the AS350 is marketed as the AStar. The AS355 Ecureuil 2 is a twin-engine variant, marketed in North America as the TwinStar.