Riu or RIU may refer to:
People
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Riu (surname), a Korean surname
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Giovanni de Riu (1925–2008), Italian racing driver
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Ramon Riu i Cabanes (1852–1901), Bishop of Urgell and ex officio Co-Prince of Andorra
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Victor Riu (born 1985), French golfer
Other uses
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Rancho Murieta Airport, in California, United States
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Riau Airlines, defunct Indonesian airline
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Riu de Cerdanya
Riu de Cerdanya is a village in the province of Lleida and autonomous community of Catalonia
Catalonia (; ca, Catalunya ; Aranese Occitan: ''Catalonha'' ; es, Cataluña ) is an autonomous community of Spain, designated as a '' nationality ...
, in Catalonia, Spain
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RIU Hotels, a Spanish hotel chain
{{disambiguation, surname