- RVOD
- R. von Mises
- R. von Mises (1883—1953)
- RVS
- RV Tauri star
- RV Tauri variable
- RV Tauri variable stars
- Rwanda
- Rwanda Civil War
- Rwanda dance
- Rwanda Genocide
- Rwandan English Literature
- Rwandan Patriotic Front
- RW Aurigae star
- RW Aurigae variable
- RW Aur star
- RW Aur variable
- RWC
- R. W. Hamming
- R. W. Hamming (1915—1998)
- R-W method
- R. Wolf
- R. Wolf (1887—1981)
- R-W方法
- R xi gauge