Vi, VI, V.I. or vi can variously be an abbreviation, symbol, nickname, or proper name:as a place, organization or language symbol * British Virgin Islands (FIPS country code: VI), an overseas territory of the United Kingdom * U.S. Virgin Islands (USPS symbol:VI; ISO 3166: VI), a group of islands in the Caribbean that are an insular area of the United States * Victoria Island (Nigeria), the main business and financial centre of Lagos, Nigeria * Vietnamese language (ISO 639: vi), the mother tongue of Vietnamese people * Volga-Dnepr Airline (IATA code: VI), an airline based in Ulyanovsk, Russia * Province of Vicenza, Italy (ISO 3166-2:IT)
;other uses * vi, a screen-oriented text editor computer program * Vi (band), a hardcore punk group * "V.I. Technologies", former name of Panacos, an American pharmaceutical company * VI Technology, an American engineering services company * WinVi, a version of the vi editor for Microsoft Windows. Also sometimes used as a reference to Microsoft's Windows Vistaoperating system * Violet (short form: Vi), a woman's given name * the submediant chord in music ("VI" if major, "vi" if minor) * vi. (verb intransitive), an abbreviation explain a meaning in some of dictionaries. * 6 (number) as the Roman numeral VI * VI, this is the nickname of one particular fan of The Phil Hendrie Show
