T4 or T-4 is used for various purposes as a designation, abbreviation or identifier:
* T4, the short name for Marc Miller's Traveller Published by Imperium Games, Inc.
* T4 (Tabular Timeline Tracking Tool), a
Softwaretool for OpenVMS
T-4 Atomic Demolition Munition, a small tactical nuclear bomb
T4 (Channel 4), the weekend morning teen-aimed slot on Channel 4in UK
T4 (Microsoft), a text transformation technology developed by Microsoft
T4 phage, a bacteriophage
T4 slip, a form used in filing an Income Tax Return which indicates remuneration received and other deductions taken during the year. a Separate T4's are issued for each form of employment income earned in one calendar year in Canadian tax law
Action T4, the codename for the program in Nazi Germanyto systematically kill people with disabilities.
* G7e/T4, a Falke German torpedo
Kawasaki T-4, a Japanese aircraft
Sukhoi T-4, a Soviet aircraft
Tatra T4, a 1967 Czekoslovakan tram
Hellas JetIATA airline code
Normal spacein topology
Paris Tramway Line 4
* Terminal 4 of Madrid Barajas International Airport
Terminator Salvation", or most commonly known as "Terminator 4"
** Fourth thoracic
vertebraof the vertebral column,
non-small cell lung carcinoma stagingfor a type of tumour
* The designation of the series IV Volkswagen Transporter van
* The Italian name for the high explosive
* A group of Australian Telecommunications companies (representing
Tell The Truth Telstra)
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