Tai may refer to:

  • Tai peoples
  • Tai languages
  • Tai (surname) (邰, Tái)
  • Tai (city) (also: 邰, Tái), the ancestral home of the Ji dynasty of Zhou
  • Mount Tai, in Shandong, China
  • Lake Tai, on the border of the Jiangsu and Zhejiang provinces, China
  • Tai, a non-Chinese state near Datong in northern Shansi conquered in 457BC
  • Shinto Honkyoku (Shintokyo), a Japanese religious group.
  • Tai, Nigeria, a local government area in Rivers State, Nigeria
  • Banu Tayy, an Arab tribe
  • Tai snapper (Pagrus major), a species of reddish-brown Pacific sea bream
  • Tai (comics) a Marvel Comics supervillain
  • Tai Kamiya, a character from the Digimon series
  • Tai, alternate name of Morgh Mohsen-e Tai, a village in Iran