| Acronym | Definition |
|---|
| RACS | Residential Aged Care Service (Australia) |
| RACS | Royal Australasian College of Surgeons |
| RACS | Remote Automatic Calibration System (US NASA) |
| RACS | Resource and Admission Control Sub-System |
| RACS | Russian Association for Canadian Studies |
| RACS | Revenue Accounting Control System |
| RACS | Robert's Anime Corner Store |
| RACS | Recording Artists' Collecting Society (Canada) |
| RACS | Real Ale and Cider Society |
| RACS | Real Aero Club de Santander (España) |
| RACS | Retirement Accountability Control System |
| RACS | Request for Approval of Contractual Support |
| RACS | Reference Architecture and Common Systems |
| RACS | Regional Aircraft Customer Support (Bombardier Aerospace) |
| RACS | Recruit Allocation Control System |
| RACS | Regional Area Commercial Support |
| RACS | Roll and Attitude Control System |