Trefoil (disambiguation)

A trefoil (three leaf) is a graphic form composed of three leaves or lobes. Trefoil may also refer to:

• Clover, or trefoil, common names for plants of the genus Trifolium
• Trefoil Island, an island in Australia, part of Tasmania’s Trefoil Island Group
• Trefoil, Alberta, a locality in Special Area No. 2, Alberta, Canada
• Trefoil knot, the simplest example of a nontrivial knot
• Trefoil, a variation of the card game La Belle Lucie
• Trefoils, a variety of Girl Scout cookie
• Trefoil-class concrete barge, an American Type B ship
  • USS Trefoil (IX-149)
• USS Trefoil (1865), a Union Navy steamer

See also

• All pages with titles containing trefoil
• Quatrefoil (disambiguation) (four leaf)
• Cinquefoil (disambiguation) (five leaf)
• Lotus (genus), flowering plants that include species with common names including "trefoil"
• Trefoil Guild, part of Girlguiding
• Vertical trefoil and oblique trefoil, Zernike polynomials
• Trefoil knot fold, a protein fold