T5

T5 or T-5 can refer to:
* T5, Statement of Investment Income, a Canadian tax form
* T5 or Tier 5, an armor set from the game World of Warcraft
* T5 engine
* Borg-Warner T-5 transmission
* Ford T5, Ford Mustang Built for Export to Germany
* Fuji T-5, a 1988 Japanese turboprop-driven primary trainer aircraft
* Tungsten T5, a PDA
* Terminal 5 at London Heathrow Airport
* Tapestry 5 Tapestry 5 -- a Java-based Web application framework
* Fifth thoracic vertebrae
* Fifth spinal nerve
* Tele 5 (Poland), a TV channel
* Thunderbird 5, in the series Thunderbirds
* Topological space
* fluorescent lamp, with high output
* Trikke 5, 3 wheeled cambering vehicle
* Volkswagen Transporter, a van
* Telecinco, a Spanish TV channel
* Turkmenistan Airlines, IATA airline designator
* Traveller (role-playing game), the fifth Edition of the role-playing game Traveller. AKA: T5