Hexagons
- Biggest Little Hexagon
- Fuhrmann's Theorem
- Graham's Biggest Little Hexagon
- Groemer Packing
- Hexagon Tiling
- Hexyl Triangle
- Honeycomb
- Honeycomb Conjecture
- Kirkman Points
- Largest Small Hexagon
- Largest Small Octagon
- Lemoine Hexagon
- Marion's Theorem
- Morgan's Theorem
- Pappus's Hexagon Theorem
- Pascal Lines
- Pascal's Theorem
- Plücker Lines
- Salmon Points
- Steiner's Theorem
- Thomsen's Figure
- Tucker Hexagon