# T2

T2, T-2, T 2, T$_2$ or T$^2$ may refer to:

## Computing

* Apple T2, a SoC from Apple for security and hardware management within Intel based Macs
* Palm Tungsten T2, a Palm OS-based personal digital assistant
* T2 or T-2, a 6.312 Mbit/s T-carrier in telecommunications
* T2, a German keyboard layout
* T2 Temporal Prover, an automated program analyzer by Microsoft Research
* UltraSPARC T2, a Sun Microsystem microprocessor
* T2 SDE, a Linux distribution kit
* T2 (social), later Pebble, a social platform

## Medicine and physiology

* T-2 mycotoxin, a type of trichothecene mycotoxin, a naturally occurring mold byproduct of certain species of Fusarium fungi
* T$_2$ or diiodothyronine, a metabolite of thyroid hormone
* T2 hyperintensity, an area of high intensity on types of MRI scans of the brain that reflect lesions produced largely by demyelination and axonal loss
* T2, the second highest (closest to the neck) of the thoracic vertebrae, the bones of the spine of the upper back
** T2, the thoracic spinal nerve 2
* T2, a small-to-moderate size cancerous tumor in the TNM staging system
* T2, referring to the second terga on an arthropod's abdomen
* T2, transverse relaxation time, in magnetic resonance imaging (MRI), a measure of the time taken for spinning protons to lose phase coherence among the nuclei spinning perpendicular to the main magnetic field

## Entertainment
### Books

* T2 (novel series), a literary trilogy that continues after Terminator 2: Judgment Day

### Films

* Terminator 2: Judgment Day, a 1991 science fiction film
* T2 (2009 film), a 2009 Filipino film
* T2 Trainspotting, a 2017 sequel to Trainspotting

### Games

* Tak 2: The Staff of Dreams, a 2004 video game
* Take-Two Interactive, American multinational publisher distributor of video games
* Tekken 2, a 1995 fighting game
* Thief II: The Metal Age, a 2000 video game
* Tribes 2, a 2001 video game
* Tsquared (born 1987), American e-sports gamer
* Turok 2: Seeds of Evil, a 1998 video game

### Music

* T2 (band), a British progressive rock band
* T2 (producer), British producer most notable for the track "Heartbroken", which reached No. 2 in the UK Singles Chart

### Sport

* Portland Timbers 2, an American soccer club in the United Soccer League
* T2 (classification), a para-cycling classification
* Terrell Thomas (born 1985), American football player who plays for the New York Giants

## Science and specifications

* T-mount, a Tamron lens thread specification
* T-2, the second Jupiter Trojan survey, a subproject of the Palomar–Leiden survey
* T2, a fluorescent tube diameter designation
* T$_2$, a mathematical concept used in topology, see Hausdorff space
* T$_2$ or spin-spin relaxation time, a time constant in radiology
* T2, a temperature classification, also referred to as a T-code, on electrical equipment labeled for hazardous locations
* T2 (Torx size), a six-sided screw, bolt or driver size
* T2 or Treadmill 2, on board the International Space Station

## Transport
### Air

* ACAZ T.2, a Belgian monoplane designed in 1924
* Antonov T-2M Maverick, ultralight trike aircraft
* Fokker F.IV, aircraft designated T-2 when used by the United States Army Air Service
* Perry Beadle T.2, a 1914 British biplane
* Mitsubishi T-2, a 1971 Japanese jet trainer aircraft
* T-2 Buckeye (aircraft)
* Thai Air Cargo, IATA airline designator
* He 115 A-2, torpedo bomber designated T 2 in Swedish service.

### Rail

* Leppington & Inner West Line, a rail service in Sydney numbered T2
* Paris Tramway Line 2
* Tatra T2, a 1955 Czechoslovakian tramcar
* T2, a model of the OS T1000 train of the Oslo Metro

### Road

* Estonian national road 2, officially T2, connecting Tallinn, Tartu, Võru and Luhamaa
* T2 road (Tanzania), a road in Tanzania
* T2 road (Zambia), a road in Zambia
** Great North Road, Zambia
* T2 (Tram İzmir), a tram line in İzmir, Turkey

### Racing

* Ferrari 312T2, a 1976 Formula One car
* Ferrari 412 T2, a 1995 Formula One car

### Other

* Ford T2 platform
* Soyuz T-2, a 1980 Soviet mission to the Salyut 6 space station.
* Heathrow Terminal 2
* T2, a type of transit lane in Australia
* T2 tank, a tank prototype that evolved into the M2 light tank
* T2 tank recovery vehicle, another name for the M31 variant of the M3 Lee tank
* T2 tanker, a mass-produced tanker used during and after World War II
* Volkswagen Type 2, Volkswagen car model
* Mercedes-Benz T2, a light commercial vehicle manufactured by Daimler-Benz

## Other uses

* T2 (Australian company), Australian retail chain of tea stores
* T2 (RTGS), real-time gross settlement system owned and operated by Eurosystem
* T2, a bedside television unit used by Hospedia
* T2 or T2 Corporation Income Tax Return, a corporate tax form in Canada
* T2, the nickname for the now-defunct weekday supplement, times2, in The Times of London
* T2, a FAST (free ad-supported streaming television) channel owned by the Tennis Channel
* T2 (roller coaster), a roller coaster at Six Flags Kentucky Kingdom
* T-2 (ISP), an Internet Service Provider in Slovenia
* T-2, a second partial float of the formerly government-owned Telstra telecommunications provider in Australia
* T+2, "trade date plus two days" in financial markets