Avi is a given name, usually masculine, often a diminutive of Avram, Avraham, etc. It is sometimes feminine and a diminutive of the Hebrew spelling of Abigail.

Avi is a masculine given name.

Avi or AVI may also refer to:

• Avi (author), pen name of children's author Edward Irving Wortis
• Zee Avi, Malaysian singer-songwriter, guitarist, and ukulele player born Izyan Alirahman in 1985
• Audio Video Interleave, a multimedia container format and file type associated with the filename extension .avi
• .avi (album), second studio album by Serbian experimental band Consecration
• Avi, Iran, a village in Zanjan Province
• AVI BioPharma, a biopharmaceutical company
• AVI Records, an American independent record label
• Avi Resort & Casino, Nevada, United States
• American Virgin Islands
• Judged by Your Work Party (Asa Vita no Ifampitsarana), a political party in Madagascar
• Automatic Vehicle Identification
• Arkansas Valley Interurban Railway
• Australian Volunteers International
• An abbreviation of Avatar (computing)

Audio Video Interleaved (Reference: MS)

Audio Video Interleave

<multimedia> (AVI) An audio-video standard designed by Microsoft. Apparently proprietary and {Microsoft Windows}-specific. AVI">http://www2.echo.lu/oii/en/video.html#AVI. [Details?] (1996-09-08)

Avraham (Avi) Balashnikov (, born March 20, 1966) is an Israeli public figure, currently serves as Chairman of College of Management Academic Studies and the representative of the American businessman Ronald Lauder in Israel. Balashnikov previously served as Deputy Director General of the Israel Export Institute, CEO of the Ministry of Communications, CEO of the Knesset, CEO of the State Comptroller of Israel's office, Chairman of commercial television Channel 10 and Chairman of the Hadassa Hospitals in Jerusalem.

Avi Beker (; May 3, 1951 – June 4, 2015) was an Israeli writer, statesman, and academic. Beker served as secretary-general of the World Jewish Congress from 4 October 2001 to 14 October 2003.

Brigadier General Avraham "Avi" Benayahu (; born 1959), is a former Israel Defense Forces Spokesperson.

Avi Edri (born 13 October 1968) is the chairman of the transport workers union in Israel.Labor in Israel: Beyond Nationalism and Neoliberalism, Jonathan Preminger The Transport Union is affiliated to the Histadrut, the General Federation of Labour in Israel.

Avi Wallerstein is a Canadian ophthalmologist and laser eye surgeon who specializes in surgical vision correction, also termed refractive eye surgery. He practises in Montreal and Toronto.