RGS
- Atalanta (1937 automobile)
- Brasil Game Show
- Burgos Airport
- Congregation of Our Lady of Charity of the Good Shepherd
- RGS-008
- Raffles Girls' School (Secondary)
- Rangasthalam
- Redland Green School
- Regulator of G protein signaling
- Reigate Grammar School
- Remote Graphics Software
- Restless genital syndrome
- Rio Grande Southern Railroad
- Ripon Grammar School
- Rosgosstrakh
- Royal Geographical Society
- Royal Grammar School (disambiguation)