The abbreviation stands for TYC:

  • Tibetan Youth Congress, a Tibetan international non-governmental organization
  • Tycho catalog, a catalog of the results of an astronomical survey of the night sky
  • Texas Youth Commission

Tyc is a surname, and may refer to:

  • Tyč Alexander (* 1969), the Slovak football player
  • Liselotte Tyc -Holm (1921-2012), German entrepreneur
  • Tadeusz Tyc (* 1983), Franco- Polish footballer
  • Disambiguation
  • Abbreviation