A sail is any type of surface intended to move a vessel, vehicle or rotor by being placed in a wind.

Sail or SAIL may also refer to:

Arts and entertainment "A Sail", a poem by Mikhail Lermontov Sail (novel), a 2008 mystery novel by James Patterson Sails (album), an album by Chet Atkins "Sails" (song), a 2019 song by Mot & Zivert "Sails", a 1969 song by Elton John from the album Empty Sky "Sail" (song), a 2011 song by Awolnation Sails Tails, an animated character from the television series Sonic Prime SAIL, Steel Authority of India Limited, a PSU in India involved in Iron and Steel Making.

Device Windmill sail, the wind-catching panel or cloth section that provides power to a windmill Sail (submarine), the tower-like structure on the topside of submarines

Language Sail (hieroglyph), an Egyptian language determinative Sail (letter), a letter of the Ogham alphabet

Places Sail, an administrative district of Pekanbaru, Riau, Indonesia SAIL High School, a public high school in Tallahassee, Florida Sail (Lake District), a hill in the English Lake District

Science and technology Sail (anatomy), a fin-like extension from the back of some animals SAIL (cable system) (South Atlantic Inter Link), a submarine cable connecting Cameroon to Brazil Shuttle Avionics Integration Laboratory, a facility at Lyndon B. Johnson Space Center in Houston, Texas, US

Computing Stanford Artificial Intelligence Laboratory SAIL (programming language), created at the laboratory Storage and Inference Layer, a RDF4J database implementation, home to RDF repositories Sails.js, a web framework for the Node.js runtime environment

Other uses Steel Authority of India Limited (SAIL), a steel maker in India Chevrolet Sail, a hatchback car SAIL Amsterdam, a maritime event

See also Sale (disambiguation) Solar sail