Kas
- Beta-ketoacyl-ACP synthase
- Gash, Hormozgan
- Kaas (disambiguation)
- Kaohsiung American School
- Karachi American School
- Karnataka Administrative Service
- Kas (cycling team)
- Kas (drink)
- Kas the Bloody-Handed
- Kash (disambiguation)
- Kaskas (disambiguation)
- Kass (disambiguation)
- Kaş
- Kaş (surname)
- Kerala Administrative Service
- Konrad Adenauer Stiftung
- Korean Astronomical Society
- Kryoneri Astronomical Station
- Kås
- Martien Kas
- Qass, Azerbaijan
- Wardrobe