| Abbreviation | Definition |
|---|---|
| RTSA | Railway Technical Society Australasia |
| RTSA | Railway Technical Society of Australasia |
| RUS | Rise Up Society |
| RVCS | Raritan Valley Choral Society |
| RVPS | Ravensbourne Valley Preservation Society |
| RVS | >AA89A:>5 0:CC<=>5 1I5AB2> |
| RVS | ?????????? ????????? ???????? |
| RVS | Rossijskoe Vakuumnoe Ob]estvo |
| RVS | Rossijskoe Vakuumnoe Obestvo |
| RVS | Rossijskoe Vakuumnoe Obsestvo |
| RVS | Russian Vacuum Society |
| RVSS | Robson Valley Support Society |
| RWCS | Red Wing Collectors Society |
| RWDS | Rural Workers Development Society |
| RWK | Real World Knowledge |
| RZSS | Royal Zoological Society of Scotland |
| SA | Academy of Finland |
| SA | National Academy of Letters (India) |
| SA | Sahitya Akademi |
| SA | Soil Association |