Line most often refers to:

• Line (geometry), object that has zero thickness and curvature and stretches to infinity
• Telephone line, a single-user circuit on a telephone communication system

Line, lines, The Line, or LINE may also refer to:

• Lines (film), a 2016 Greek film
• The Line (2023 film), an American drama
• The Line (2022 film), a Swiss, French, and Belgian drama
• The Line (2017 film), a Slovak-Ukrainian crime film
• The Line (2009 film), an American action-crime film
• The Line, a 2009 independent film by Nancy Schwartzman

• The Line (podcast), 2021 by Dan Taberski

• Line (comics), a term to describe a subset of comic book series by a publisher
• Line (play), by Israel Horovitz, 1967
• Line (poetry), the fundamental unit of poetic composition
• "Lines" (poem), an 1837 poem by Emily Brontë
• The Line (memoir), by Arch and Martin Flanagan
• The Line (play), by Timberlake Wertenbaker, 2009

• Lines (The Walker Brothers album), 1976
• Lines (Pandelis Karayorgis album), 1995
• Lines (Unthanks album), 2018

• "Line" (song), 2017 single by Triana Park
• "Lines" (song), 1976 single by The Walker Brothers
• "The Line" (Foo Fighters song), 2017
• "The Line" (Lisa Stansfield song), 1997
• "The Line" (Raye song), 2017
• "Line", 2018 song by The Story So Far from Proper Dose
• "LINE", 2015 single by Sukima Switch
• "Lines", 2007 song by Dead Letter Circus from Dead Letter Circus
• "The Line", 2010 single by Battles
• "The Line", 2000 song by Sadist from Lego
• "The Line", 1995 song by Bruce Springsteen from The Ghost of Tom Joad
• "The Line", a 2024 song recorded by Twenty One Pilots for Arcane season two

• Line (melody), a linear succession of musical tones that the listener perceives as a single entity
• Line (music) or part, a strand or melody of music played by an individual instrument or voice

• The Line (game show), a 2014 American game show
• The Line (TV series), a Canadian television series
• "The Line" (Heroes), a 2007 episode of the American television series Heroes
• "The Line" (The Amazing World of Gumball), a 2017 episode of the British-American animated television series The Amazing World of Gumball
• The Line, a 2021 documentary series directed by Jeff Zimbalist and Doug Shultz

• Below the line, an advertising term
• Bottom line, or profit line, net profit
• Line function, primary business activity that negatively affects income if interrupted
• Line item, an accounting term
• Line of business, a product or set of related products
• Poverty line, an economics term
• Product lining, offering several related products for sale individually

• Line (electrical engineering), any circuit or loop of an electrical system
  • Line level, a common standard for audio signals
  • Transmission line, a specialized structure designed to carry alternating current of radio frequency
• Line (text file), a row of characters as a unit of organization within text files
• Line (video), a measure of video display resolution or image resolution
• Line Corporation, a Tokyo-based technology company
  • Line (software), a social messaging application operated by Line Corporation

• Line (formation), standard tactical formation of forces
• Line infantry, line formation of infantrymen who were part of the "Line Regiments"
• Lines, another word for fortifications

• Line of battle, in naval warfare, a line of warships
• Line officer, (naval) officer qualified to command a vessel

• Line (given name), a Scandinavian female given name
• Line (singer) (born 1996), a Danish singer and finalist in the Danish X Factor
• Lines (surname)
• The Lines family of Birmingham, England, including:
  • Samuel Lines (1778–1863) and his sons
    • Samuel Rostill Lines (1804–1833)
    • Frederick Thomas Lines (1808–1898)
    • Henry Harris Lines (1800 or 1801–1889)

• Líně, a municipality and village in the Czech Republic
• Linesøya, an island in the municipality of Åfjord in Norway
• The Line, Saudi Arabia, a planned city in Saudi Arabia
• Line Islands, an island group in the central Pacific
• The Line (sculpture trail), based on the Greenwich Meridian, in South East and East London

• Fault line, a geological term
• Inbred line, either of:
  • Inbred strain or linear organisms, model organisms that are nearly genetically identical and are used in laboratories
  • Products of line breeding, a technique in animal and plant agriculture and horticulture
• Lineage (evolution), a sequence of species that form a line of descent
• Long interspersed nuclear element, or LINE, a DNA sequence of two non-overlapping reading frames, accounting for 21% of human DNA
• Maxwell (unit), the unit of magnetic flux, formerly called line

• Fishing line, used (or intended) for angling
• Kite line, cord for kite flying

• Line (ice hockey), group of forwards that play in a group, or "shift", during a game
• Line and length, direction, and distance, to first bounce on the pitch, in delivery in cricket
• Line of scrimmage, in American and Canadian football
• Racing line, in auto racing, path taken through a corner

• Line in Spread betting, number assigned by bookmakers which handicaps one team and favors another when two teams play each other, aka the spread

• Airline, a company that provides air transport services for traveling passengers and freight
• Log-line, in nautical usage, a piece of rope which has been assigned a function
• Shipping line, a company engaged in sea transport
• Railway line, a railway route or service
• Waterline, the line where the hull of a ship meets the surface of the water

• Line (unit), an obsolete unit of length equal to one-twelfth or one-tenth of an inch
• The Line, a website and social media campaign promoting respectful relationships, run by Our Watch in Australia
• LINE (combat system), a martial arts system
• Line (graphics), a narrow field between two points
• Line (heraldry), used to divide and vary fields and charges in heraldry
• Queue area, known in American English as a place to stand "in line"
• Line dance, a choreographed dance of a group of people
• Writing lines, a form of school punishment

• A-line (clothing), a style of skirt or dress
• Line cook, a chef who works a station in a professional restaurant
• Linear (disambiguation)
• Liner (disambiguation)
• Lining (disambiguation)
• Lyne (disambiguation)
• Iine (disambiguation)
• All pages with titles containing Line