VI

Vi or vi most commonly refers to:
 * vi (text editor), a screen-oriented text editor software application

VI, Vi, vi, V.I., or v.i. may also refer to:

Characters

 * Vi (League of Legends), a character from the League of Legends video game franchise
 * Vi (Buffy the Vampire Slayer), a minor character in the American TV series Buffy the Vampire Slayer
 * Violet Parr, a character of Walt Disney Pictures animated film The Incredibles
 * Vi Praskins, a major character in the 1950s American TV series Private Secretary

Music

 * Submediant chord, symbolized "VI" or "vi"
 * VI (Circle Jerks album), 1987
 * VI (The Danse Society album), 2015
 * VI (Onslaught album), 2013
 * VI (You Me at Six album), 2018
 * Ice-T VI: Return of the Real, an album by Ice-T, 1996
 * VI Music, a Puerto Rican record label

Magazines

 * Voetbal International, a prominent Dutch football (soccer) magazine
 * Vi (magazine), a Swedish lifestyle magazine

Businesses and organizations

 * Vodafone Idea, branded as "Vi", a telecom operator based in India
 * Vi Senior Living, a provider of retirement communities in the United States
 * Victoria Institution, a secondary school in Kuala Lumpur, Malaysia
 * The Vinyl Institute, a U.S. industry trade group
 * Volga-Dnepr (IATA airline code VI), an airline based in Ulyanovsk, Russia

People

 * Violet (given name), sometimes shortened to Vi
 * Vi Anand, Indian film director and screenwriter
 * Vi Burnside (1915–1964), American jazz musician
 * Vi Daley (born 1943), American politician
 * Vi Farrell (1913–1989), English-born New Zealand cricketer
 * Vi Gale (1917–2007), Swedish-born American poet and publisher
 * Vi Hart (born 1988), "recreational mathemusician" known for creating mathematical YouTube videos
 * Vi Hilbert (1918–2008), Native American tribal elder
 * Vi Huyền Đắc (1899–1976), Vietnamese playwright
 * Vi Jones (born 1998), American football player
 * Vi Jordan (1913–1982), Australian politician, second woman elected to the Queensland Legislative Assembly
 * Vi June (1932–2020), American politician
 * Vi Kaley (1878–1967), British actress
 * Vi Keeland, American writer
 * Vi Khi Nao, Vietnamese writer
 * Vi Lloyd (1923–2013), Australian politician
 * Vi Lyles (born 1952), American politician
 * Vi Redd (1928–2022), American jazz musician, vocalist and educator
 * Vi Simpson (born 1946), American politician
 * Vi Subversa (1935–2016), British musician
 * Seungri or V.I. (born 1990), member of South Korean pop band Big Bang
 * Victoria Imperatrix (Latin for: "Victoria the Empress"), referring to Queen Victoria

Places

 * Vi, Sweden
 * Vi, a village in Shkodër County, Albania
 * Victoria Island, Lagos, an area of Lagos, Nigeria
 * British Virgin Islands, by FIPS country code
 * United States Virgin Islands, in many code systems including US postal code

Science and technology

 * .vi, the country code top-level domain (ccTLD) for the United States Virgin Islands
 * Vapor intrusion, a process by which chemicals in soil or groundwater migrate to indoor air above a contaminated site
 * Vinyl group, a chemical group with the formula H-C=CH2
 * Virtual instrument (disambiguation), a program that implements functions of an instrument by computer, sensors, and actuators
 * Viscosity index, a measure of how viscosity of a liquid changes with temperature
 * Vulnerability index, a measure of the exposure of a population to some hazard
 * Vi, an artificial intelligence personal trainer developed by LifeBEAM
 * Vi, from virginium, a rejected proposed name and abbreviation for the element francium

Other uses

 * VI, 6 in Roman numerals
 * vide infra, Latin for "see below"
 * Visual impairment
 * Vietnamese language, by ISO 639-1 code