Raas or RAAS may refer to:
Places
- Raas, a village in Natz-Schabs, Italy
- Raas Island, Indonesia
- Región Autónoma del Atlántico Sur (now South Caribbean Coast Autonomous Region), Nicaragua
Science and technology
- Ransomware as a service, in cybercrime
- Recovery as a service, in cloud computing
- Renin–angiotensin–aldosterone system, a hormone system that regulates blood pressure
- Robot as a service
- Runway Awareness and Advisory System, an avionics system
Other uses
- Raas (surname)
- Dandiya Raas, a folk dance from the Indian state of Gujarat, often associated with Garba
- Raas leela, a traditional Indian dance