RSV
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 
 RSV Media Center, a Belize broadcaster
 Rijn-Schelde-Verolme, a former Dutch shipbuilder

Transportation
 Minicar RSV, a US safety concept car
 RSV, a prefix for several Aprilia motorcycles
 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