Q1 or Q-1 may refer to:
* Quarter 1, as in the
first quarter of a calendar year or
fiscal year
* first
quartile
In statistics, a quartile is a type of quantile which divides the number of data points into four parts, or ''quarters'', of more-or-less equal size. The data must be ordered from smallest to largest to compute quartiles; as such, quartiles are a ...
in
descriptive statistics
* The
first quarto, usually meaning the earliest published version, of one of William Shakespeare's works
*
Q1 (building)
Q1 Tower (an abbreviation of Queensland Number One) is a Supertall building, supertall skyscraper in Queensland, Australia. The High-rise building, residential tower on the Gold Coast, Queensland, Gold Coast was the world's List of tallest res ...
, a residential apartment building in Surfers Paradise, Australia
*
DIGITAL Q1, a digital camera model (Fujifilm)
*
Q-1 visa, allows individuals traveling to the U.S. to participate in a cultural exchange program
*
''Quake'' (video game) 1, a 1996 video game
*
Samsung Q1, an Ultra Mobile Personal Computer (UMPC)
* Qualifying 1, or first qualifying in
Formula 1
Formula One (also known as Formula 1 or F1) is the highest class of international racing for open-wheel single-seater formula racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The World Drivers' Championship, ...
*
Quran 1, ''al fātiḥah'' the 1st chapter of the Islamic Holy book
Transport
Air
*
Radioplane Q-1, an American experimental unmanned aircraft of the 1950s
* The primary United States Air Force designation for a series of unmanned aerial vehicles built by General Atomics, which includes the
MQ-1 Predator and the
MQ-1C Warrior
Road
*
Q1 (New York City bus)
*
Rossion Q1, a sports car from US car maker 1g Racing/Rossion Automotive
Rail
*
LNER Thompson Class Q1, a steam locomotive of the London and North Eastern Railway, UK
*
PRR Q1, a steam locomotive of the Pennsylvania Railroad, USA
*
SECR Q1 class, a steam locomotive of the South Eastern and Chatham Railway, UK
*
SR Q1 class
The SR Q1 class is a type of austerity steam locomotive constructed during the Second World War. The class was designed by Oliver Bulleid for use on the intensive freight turns experienced during wartime on the Southern Railway network. A to ...
, a steam locomotive of the Southern Railway, UK
See also
*
1Q (disambiguation)
* ''
QI'', a British comedy television quiz
{{Letter-Number Combination Disambiguation