TI, ti, and variants may refer to:
Arts and entertainment Ti/Si, the seventh syllable in the solfège technique The International (Dota 2), an esports tournament Twilight Imperium, a game
Businesses and organizations TI-class supertankers, ships operated by Tankers International Texas Instruments, an American electronics company Telecom Italia, an Italian telecommunications company TI Group, previously Tube Investments, an English engineering company Therapeutics Initiative, a medication evaluation organization Thomistic Institute, a Catholic academic institute Tiger Inn, a Princeton University eating club Toastmasters International, a public speaking organization Former Tol Air, IATA code Tailwind Airlines, IATA code Transparency International, anti-corruption organisation Treasure Island Hotel and Casino, Las Vegas, US
People Ti, a high-status official during the Fifth Dynasty of Egypt Ti. for Tiberius, a Roman given name T.I. (born 1980), American rapper TI, post-nominal initials used by awardees of Tamgha-e-Imtiaz, a Pakistani honour "Targeted individual", person claiming to be subject to "gang stalking" Ti, Bonnie Nettles, religious leader
Places Ti, Oklahoma, US Thursday Island, Torres Strait Ticino, a canton (federated state) of Switzerland
Science, technology, and mathematics
Biology and medicine Ti or Tī, a generic name in Polynesian languages for plants of the genus Cordyline, including: Cordyline fruticosa, Tī, Tī pore (Māori), Kī (Hawaiian) Cordyline australis (Tī kōuka or Cabbage tree, New Zealand) Cordyline banksii (Tī ngahere or Forest cabbage tree, New Zealand) Cordyline indivisa (Tī toī, tōī or Mountain cabbage tree, New Zealand) Cordyline obtecta (Tī, Norfolk Island cabbage tree, Three Kings cabbage tree, Norfolk Island and New Zealand) Cordyline pumilio (Tī rauriki, Tī koraha or Dwarf cabbage tree, New Zealand) Therapeutic index
Computing Ti (prefix symbol), of interim unit tebi; e.g. Tib for tebibit
Other uses in science, technology, and mathematics Topological insulator Titanium, symbol Ti, a chemical element Truncated icosahedron
Other uses Ti (concept), a term meaning "substance" (體) in Chinese TI (cuneiform), a sign in cuneiform writing Ti, Old Swedish spelling of Týr, deity of Norse mythology Tigrinya language (ISO 639-1 code "ti") ti (digraph), the characters Tenant inducement, in commercial real estate Tobu's Isesaki Line, Sano Line, Koizumi Line, and Kiryū Line (railway line prefix TI)
See also
Di (disambiguation) for several Chinese concepts; "Ti" is the Wade–Giles equivalent of "Di" TL (disambiguation) T1 (disambiguation)