| Abbreviation | Definition |
|---|---|
| RAS | Registration, Admission, and Status |
| RAS | Registration, Admissions, and Status |
| RAS | Russian Academy Of Sciences |
| RASCAL | Research And Special Collections Available Locally |
| RAST | Raster Anschluss Steck Technik |
| RAT | Recruit At Tech |
| RAU | Rajendra Agricultural University |
| RAU | Rajendra Agriculture University |
| RAU | Randse Afrikaanse Universiteit |
| RAU | Royal Agricultural University |
| RAU | Russian American University |
| RAWR | Reporting Actions With Resiliency (UST) |
| RB | Research Board |
| RB | Review Board |
| RBDD | Rare Bleeding Disorders Database |
| RBRU | Reproductive Biology Research Unit |
| RBS | Rare Book School, University of Virginia |
| RBS | Reis Biological Station |
| RBS | Rotterdam Business School |
| RBT | Rare Book Team |