QT
QT or Qt may refer to:

Businesses
The Qt Company, a Finnish software developer
QT Hotels & Resorts, an Australasian hospitality provider
QT Inc., an American bracelet manufacturer
QuikTrip, an American convenience store chain

People
QT (musician) (born 1988), American pop singer
QTCinderella (born 1994), American Twitch streamer and YouTuber
Q-Tee, British rapper (active in the 1990s)
Quentin Tarantino (born 1963), American filmmaker

Science and technology
Computer software
Qt (software), a cross-platform application framework
QuickTime, a multimedia technology from Apple Inc.

Heart medicine
QT interval, on an electrocardiogram
Long QT syndrome, a rare condition
Short QT syndrome, a very rare disease

Units of measure
Quart (qt), an imperial unit of volume

Television shows
QT: QueerTelevision, a 1990s Canadian LGBT newsmagazine
Question Time (TV programme), a British panel debate (first aired 1979)

Transport
QT (New York City Subway service), a defunct rapid-transit service
Quiet Trader, cargo versions of the BAe 146 airliner

Other uses
Quality time, periods proactively spent with one's loved ones
Quantitative tightening, a contractionary monetary policy from a central bank

See also
Cutie (disambiguation)
QTS (disambiguation)