Triad or triade may refer to: * a group of 3, three

Businesses and organisations

* Triad (American fraternities), certain historic groupings of seminal college fraternities in North America * Triad (organized crime), a Chinese transnational organized crime syndicate * Triad Broadcasting, an American radio station operator * Triad High School (disambiguation), several uses * Triad Hospitals, an American hospital operator * Triad International, a multi-national private investment corporation * Triad Racing Technologies, a body parts and chassis supplier for NASCAR teams * Triad Securities, a finance company * Triad Strategies, an American lobbying firm * Triad Theater, a performing arts venue in New York City

Arts and entertainment

Fictional characters

* Triad (Charmed), The Triad (''Charmed''), fictional characters in the TV series * Triad (superhero), alias of DC Comics' Luornu Durgo

Film and television

* Triad (film), ''Triad'' (film), a 1938 German film * ''Triads, Yardies and Onion Bhajees'', a 2003 British film * ''Triad'', a 2012 Hong Kong film starring William Chan

Set Theory

A Triad is a Set with Three Elements. See: https://mathworld.wolfram.com/Triad.html

Music

* Triad (music), chord consisting of root, third and fifth * The Triad (album), ''The Triad'' (album), by Pantha du Prince, 2016 * Triad (band), a Swedish music group * "Triad", a track on Enya's 1987 album ''Enya (album), Enya'' * Triad (Pitchshifter song), "Triad" (Pitchshifter song), 1993 * Triad (David Crosby song), "Triad" (David Crosby song), 1967 * "Triad", a song by Tool from their 2001 album ''Lateralus'' * “Triad”, a song by ''Jefferson Airplane'' from their 1968 album “Crown Of Creation”

Other uses in arts and entertainment

* ''Triad'', a 2013 video game by Anna Anthropy * Triad (sculpture), ''Triad'' (sculpture), a 1980 outdoor sculpture by Evelyn Franz * Welsh Triads, collections of medieval Welsh legend and history * Triads of Ireland, a collection of Old Irish writings

Science and technology

* Triad (anatomy), structure in skeletal muscles, formed by a T tubule surrounded by sarcoplasmic reticulum * Triad (computing), 3 bits of information storage * Triad (environmental science), management system for environmental cleanup * Triad (monitors), group of three phosphor dots used in some computer monitors * Triad, a brand name of the combination medication butalbital/acetaminophen * List of medical triads, tetrads, and pentads

Other uses

* Triad (religion), a grouping of three gods * Triad (relationship), or ''ménage à trois'' * Triad (sociology), a group of three people as a unit of study * The Triad (mountain), in Washington, U.S. * Trichotomy (philosophy), often called triads * HMS Triad (N53), HMS ''Triad'' (N53), T-class submarine of the UK Royal Navy * Piedmont Triad, or simply the Triad, a region of North Carolina, U.S. * Triad Islands, in Antarctica * Nuclear triad, A nuclear triad