Riu

Riu or RIU may refer to:

People

 * Riu (surname), a Korean surname
 * Giovanni de Riu (1925–2008), Italian racing driver
 * Ramon Riu i Cabanes (1852–1901), Bishop of Urgell and ex officio Co-Prince of Andorra
 * Victor Riu (born 1985), French golfer

Other uses

 * Rancho Murieta Airport, in California, United States
 * Riau Airlines, defunct Indonesian airline
 * Riu de Cerdanya, in Catalonia, Spain
 * RIU Hotels, a Spanish hotel chain