RIV may refer to:
Anatomy and Medicine Right innominate vein Recombinant influenza vaccine
Military aviation March Air Reserve Base, a U.S. Air Reserve base in Riverside County, California, by IATA airport code Fieseler Fi 103R Reichenberg, a model of late-World War II German bomber aircraft Siemens-Schuckert R.IV, a bomber aircraft built in Germany during World War I Zeppelin-Staaken R.IV, a bomber aircraft built in Germany during World War I
Transport Registrar of Imported Vehicles, Canada , the International Wagon Regulations for European rail freight wagons Riversdale railway station, Australia, station code RIV Riverside–Downtown station, California, United States, Amtrak station code RIV Riviera MRT/LRT station, Punggol, Singapore, station abbreviation RIV
Other uses Augustus Quirinus Rivinus (1652–1723), German physician and botanist, with standard author abbreviation "Riv." Riv or , a 104-km tributary of the Southern Bug, in Ukraine Rapid intervention vehicle, a type of airport crash tender vehicle Residual income valuation, an approach to equity valuation Riversdale Mining, Australian Securities Exchange symbole RIV Riverside International Raceway, a former automobile race course in Riverside, California Riviera (hotel and casino), nicknamed "the Riv", Las Vegas, Nevada, United States Rivaan, nicknamed "The Riv", New York City home for the Royal Rooters of Red Sox Nation, a fan club for the Boston Red Sox