ROI

Roi may refer to:

People:

  • Adenes Le Roi (c. 1240-c. 1300), French minstrel
  • Alice Roi (born 1976), American fashion designer
  • Roi Kahat (born 1992), Israeli footballer
  • Roi Klein (1975-2006), major in the Israeli Defense Forces
  • Roi Kwabena (1956-2008), Trinidadian cultural anthropologist and writer
  • Roi George Partridge (1888–1984), American printmaker and teacher
  • Rói Patursson (born 1947), Faroese writer and philosopher
  • Roi Wilson (1921-2009), Royal Navy aviator
  • "Le Roi" (French for "the King"), a nickname for French retired basketball player Antoine Rigaudeau (born 1971)

Other uses:

  • Cú Roí, a king of Munster in Irish mythology
  • USS Roi (CVE-103), a US aircraft carrier
  • "Roi", a 1993 song by The Breeders in their album Last Splash
  • Ro'i, an Israeli settlement in the West Bank

ROI may stand for:

  • Return on Investment, used to evaluate the efficiency of an investment in finance and economics
  • Reactive oxygen intermediate
  • Risk of infection
  • Region of interest
  • Release of Information, in Health Information Management
  • Republic of India
  • Republic of Indonesia
  • Republic of Ireland
  • Royal Institute of Oil Painters