A triangle is a geometric shape.

Triangle can also refer to:

• Triangle wave
• Triangle function
• Triangle (instrument), the musical instrument.
• Triangle (snooker), a device for align the balls at the start of each frame.
• Set square, a tool used in technical drawing
• Wye (railroad), a three-way track junction
• Triangulum, a star constellation
• Triangle (newspaper), a student newspaper of Drexel University
• Triangle piercing, one of several forms of female genital piercing
• Triangle choke, a chokehold common to Brazilian Jiu-Jitsu
• The Triangles (band), an Australian indie-pop band

As a place:

• Triangle Lake, Oregon
• Triangle, New York
• Triangle, Virginia
• Triangle, West Yorkshire a village near Halifax, West Yorkshire

In television:

• Triangle (television), a former BBC soap opera
• The Triangle (miniseries), a mini-series on the Sci-Fi Channel

As a local place nickname:

• Bermuda Triangle
• Golden Triangle
• Polynesian Triangle
• Rhubarb Triangle
• Sunni Triangle
• Research Triangle or North Carolina Triangle

See also

• Triangle Shirtwaist Factory fire
• Bizarre Love Triangle, a song by New Order
• Love triangle
• Pascal's triangle
• Princeton Triangle Club
• Sierpinski triangle
• Trade Triangle
• Triangle Fraternity
• Triangle inequality
• Triangle offense
• Triangulation
• Trinity

Trekant (flertydig) | Dreieck (Begriffsklärung) | Triangle (homonymie) | Driehoek | Trójkąt (ujednoznacznienie) | Треугольник (значения) | Kolmio (täsmennyssivu) | Трикутник (значення)