Quentin Tarantino, an American film director

"Cutie," a homophone derived from the pronunciation of "QT"

QuickTime, a multimedia technology from Apple Inc.

A quarter, a unit of mass in Imperial units, equal to 2 stones or a quarter of a long hundredweight; one quarter = 12.70058636 kg

"Quiet Trader", a trademark applied to the cargo version of the BAe 146 jet

Quantum-Touch, a purported manual healing method

The Qt (toolkit), primarily a cross platform graphical widget toolkit for the development of GUI computer programs

"The Danny's QT", referring to the U.S. college.

The QuikTrip convenience store chain

The QT interval, a measurement used in cardiology

Qiryat Tivon, a local council in the Haifa District of Israel

A quart, a measure of volume in traditional systems of units

QT: QueerTelevision, an LGBT newsmagazine which aired on Canada's CityTV in the 1990s