Topknot may refer to:

  • A hairstyle or haircut, historically prevalent in Asia:
    • Chonmage, a traditional Japanese haircut worn by men
    • Sangtu, a knot of hair that married men of the Joseon Dynasty wore in Korea
    • Touji (頭髻), a traditional Chinese hairstyle which involves tying all hair into a bun, worn from earliest times up to the end of the Ming Dynasty and still worn by Taoist priests and practitioners
    • Sikha, worn by orthodox Hindus
    • Khokhol, oseledets traditional Ukrainian haircut
    • Tikitiki, a top-knot worn by high-ranking Māori men
    • Sidelock of youth worn by pharaonic children in Middle-Kingdom Egypt, indicating association with the child Horus
    • Man bun, a modern Western style of topknot influenced by the Asian style, a trend beginning in the 2010s
  • Several species of fishes:
  • Topknot pigeon, Lopholaimus antarcticus