Etap or ETAP may refer to:
- École des troupes aéroportées, a training school for paratroops in Pau, France
- Entreprise Tunisienne d'Activités Pétrolières, a state-owned petroleum company in Tunisia
- Etap, Warsaw, a neighbourhood in Warsaw, Poland
- Etap Hotel, now renamed Ibis Budget
- Electrical Transient Analyzer Program
- ETAP Lighting
- ETAP Yachting, a Belgian boatbuilder
- Eastern Trough Area Project
- Exercise-related transient abdominal pain, also known as a side stitch