Roi or ROI may refer to:

Music "Roi" (song), by Bilal Hassani, 2019 "Roi", a song by The Breeders from the 1993 album Last Splash "ROI", a single by VIDEOCLUB, 2018

People Alice Roi (born 1975 or 1976), American fashion designer Daniel Roi (born 1987), German politician Qin Fen (born 1991), also known as Roi, Chinese singer Roi (given name), including a list of people with the name

Places Ro'i, an Israeli settlement in the West Bank Roi, Lhünzê County, a village in Tibet Roi-Namur, previously two islands Roi and Namur, in the Marshall Islands Republic of Ireland Republic of Iceland Republic of India Republic of Indonesia

Other uses , a US World War II aircraft carrier Roi, the Hawaiian name for Cephalopholis argus, the blue-spotted grouper Roi, the French word for "king" List of French monarchs Region of interest, a sample within a data set for a particular purpose Release of information department, in hospitals Return on investment, an accounting measure Royal Institute of Oil Painters, an association of painters in London, England El Roi, a name of God in the Hebrew Bible Cú Roí, a king of Munster in Irish mythology Roi Mata, a 13th-century Melanesian chief

See also

Le roi (disambiguation) Leroy (disambiguation) Roy (disambiguation) Roy, given and family name