RSV may refer to:
Biology and medicine
- Respiratory syncytial virus, causing respiratory disease
- Rous sarcoma virus, causing cancer in chickens
Organisations
- Royal Society of Victoria, a scientific society in Australia
- Rijn-Schelde-Verolme, a former Dutch shipbuilder
Transportation
- Minicar RSV, a US safety concept car
- RSV, a prefix for several Aprilia motorcycles<!--see WP:PTM-->
- Renard, Stampe & Vertongen, a prefix for several Stampe et Vertongen aircraft
- Research Survey Vessel (ship prefix)
- USV RSV (Marine Tech), a French unmanned remote survey vehicle
Other uses
- Revised Standard Version, an English Bible translation