KCAS
| Acronym | Definition |
|---|---|
| KCAS | Knots Calibrated Airspeed |
| KCAS | Kern County Archaeological Society (Bakersfield, CA) |
| KCAS | King County Animal Services (Washington) |
| KCAS | Kenton County Animal Shelter (Kentucky) |
| KCAS | Knowing Christ as Savior (radio station) |
| KCAS | King County Aerial Survey (Washington state survey and mapping project) |