Iron Triangle
- Battle of the Iron Triangle
- Chang Cheh
- Fostoria, Ohio
- Iron Triangle (Korea)
- Iron Triangle (Vietnam)
- Iron Triangle, Richmond, California
- Iron triad
- Iron triangle (US politics)
- Nobunaga's Ambition
- Operation Iron Triangle
- Project triangle
- The Iron Triangle (film)
- Triangle (musical instrument)
- Whyalla
- Willets Point, Queens
- Wye (rail)