WT

WT may refer to:

* Wt, abbreviation for watt, SI derived unit of power
* Wt., abbreviation for weight
* Wt.% abbreviation for weight percent
* Walkie-talkie
* Warped Tour
* Wellcome Trust
* Wikitruth
* Wiktionary
* Wildtype ("wt") - an abbreviation in genetics, usually to denote a control or unaltered form.
* Wilms' tumor
* "Wireless telephony", an archaic term for radio communications
* Tornado watch (WT)
* Wt ("witty"), C++ interface to AJAX
* Abbreviation for West Texas A&M University
* Within Temptation, a symphonic metal band from the Netherlands
* WingTsun, a branch of Wing Chun Kung Fu
* Well tank locomotive
* White trash, a derogatory term for some classes of people, especially those living in poor areas, including trailer parks