TI
# TI

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
* 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), US actor Clifford Harris
* "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 ⟨ti⟩
* Tenant inducement, in commercial real estate
