Triangle (disambiguation)
- 10,000 Maniacs
- Bansiot
- Bermuda Triangle
- Canadian Tire
- Delta (letter)
- Douglas Fairbanks Jr.
- Exact triangle
- Hangul
- Le Triangle
- Mi Lu Bing
- Private Practice (TV series)
- Research Triangle
- Slapball (baseball)
- The Triangle (The Amazing World of Gumball)
- The Triangle (The Golden Girls)
- The Triangle (film)
- The Triangle (miniseries)
- The Triangle (newspaper)
- The Triangle, Manchester
- The Triangles
- Tri Angle (record label)
- Tri-Angle
- Triangeln station
- Triangle (1981 TV series)
- Triangle (2007 film)
- Triangle (2009 British film)
- Triangle (2009 South Korean film)
- Triangle (2014 TV series)
- Triangle (Buffy the Vampire Slayer)
- Triangle (Diaura album)
- Triangle (Israel)
- Triangle (Paris building)
- Triangle (Perfume album)
- Triangle (The Beau Brummels album)
- Triangle (The X-Files)
- Triangle (band)
- Triangle (chart pattern)
- Triangle (musical instrument)
- Triangle (novel)
- Triangle (railway)
- Triangle Film Corporation
- Triangle Fraternity
- Triangle Lake (disambiguation)
- Triangle Park (disambiguation)
- Triangle Region (Denmark)
- Triangle inequality
- Triangle offense
- Triangle, New York
- Triangle, Newfoundland and Labrador
- Triangle, Virginia
- Triangle, West Yorkshire
- Triangle, Zimbabwe
- Trianglen, Copenhagen
- Triangles (novel)
- Triangular election in France
- Triangular trade
- Triangulum (disambiguation)
- Trigonodes hyppasia
- Trikonasana
- Weimar Triangle