ROI

Look up roi in
Wiktionary, the free dictionary.

Roi may refer to:

Roi, a 1993 song by The Breeders in their album Last Splash
Roi Et and Roi Et province in Thailand
Roi Klein, an Israeli Defense major
Roi-Namur, an island in the Marshall Islands
"Le Roi" (French for "the King"), a nickname for French basketball player Antoine Rigaudeau
USS Roi (CVE-103), a US war ship

ROI may stand for:

Reactive oxygen intermediates, in biology
Region of interest, for example in image analysis or image processing
Release of Information, in Health Information Management
Republic of Ireland
Republic of India
Republic of Indonesia
Residue on ignition, in analytical chemistry
Return on Investment, the rate of return which is used to evaluate the efficiency of an investment, in finance
Romská občanská iniciativa (English: Roma Civic Initiative), a Roma political party based in Slovakia and formerly in the Czech Republic and Czechoslovakia
Royal Institute of Oil Painters
Russian Olympiad in Informatics, an annual informatics competition for secondary school students in Russia
Run of Issue, used in magazine publishing to signify subject mentioned or used in all of a particular issue.