Q1

Q1 or Q-1 may refer to:

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 class of steam locomotives 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, a steam locomotive of the Southern Railway, UK

Science and technology

 * First quartile in descriptive statistics
 * DIGITAL Q1, a digital camera model (Fujifilm)
 * Samsung Q1, an Ultra Mobile Personal Computer (UMPC)
 * Q1 microcomputer, an early offering in the history of personal computers
 * The Universe, which has Wikidata identifier Q1

Media and publications

 * Quake (video game) 1, a 1996 video game
 * Quran 1, al fātiḥah the 1st chapter of the Islamic Holy book
 * The first quarto, usually meaning the earliest published version, of one of William Shakespeare's works

Other uses

 * Quarter 1, as in the first quarter of a calendar year or fiscal year
 * Q1 Tower, a residential apartment building in Surfers Paradise, Australia
 * Q-1 visa, allows individuals traveling to the U.S. to participate in a cultural exchange program
 * Qualifying 1, or first qualifying in Formula 1