Roi

Roi or ROI may refer to:

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

• 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

• 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

• USS Roi, 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