K1, K.I, K01, K 1 or K-1 can mean:

Geography

* K1, another name for Masherbrum, a mountain in the Karakoram range in Pakistan * K1, a small town to north of

Kirkuk Kirkuk ( ar, كركوك, ku, کەرکووک, translit=Kerkûk, , tr, Kerkük) is a city in Iraq, serving as the capital of the Kirkuk Governorate, located north of Baghdad. The city is home to a diverse population of Turkmens, Arabs, Kurds, ...

city, Iraq * K1 (building), a high-rise building in Kraków, Poland

Mathematics

K_1(R)

denotes the first algebraic K-theory group of a ring

R

Military

* Denel K1, a South African mortar * Daewoo Precision Industries K1, a carbine of the South Korean army * EMER K-1, a Burmese assault rifle designated EMERK *

Fokker K.I The Fokker K.I (for ''Kampfflugzeug''/"combat aircraft"), also known as the M.9, was a German experimental aircraft. First flown in 1915, the M.9 had two M.7 fuselages and tails, without engines, mounted on the lower wing. To this was added a ...

, a World War I German experimental aircraft * Kucher Model K1, a Hungarian submachine gun * , a World War I British submarine * HMS ''Acanthus'' (K01) / HNoMS ''Andenes'' (K01), a 1939 British, then Norwegian Flower-class corvette *

K1 88-Tank The K1 is a South Korean main battle tank designed by Chrysler Defense (later General Dynamics Land Systems) and Hyundai Precision Industry (later Hyundai Rotem) for the Republic of Korea Armed Forces. The vehicle's design was based on Chrysle ...

, a modern main battle tank of the South Korean military *

K-1 cart The K-1 cart is a wire cart type K-1. It comprises a 2-wheel reel cart used for the rapid laying and recovering of telephone and telegraph lines in the field. It is completely equipped with a reel, mechanically rotated and controlled, 1 chest with ...

a United States Signal Corps cart for carrying signal equipment * K 1, a designation for a Swedish cavalry regiment *

K1-class gunboat The ''K1'' class was a type of gunboat designed by the German Kriegsmarine before World War II. The class was to have comprised four ships, which had been ordered under the provisional names ''K1'', ''K2'', ''K3'', and ''K4''. The four ships were ...

, planned World War II German gunboat * K1, a World War II Dutch sloop operated by the German Navy * Skoda K-1, of the Skoda K series, a World War II Czechoslovak howitzer * USS ''K-1'' (SS-32), a 1913 United States Navy K class of submarine * K-1 Airfield, former name of the Gimhae Air Base *

Soviet submarine K-1 Soviet submarine ''K-1'' was a K-class submarine of the Soviet Navy during World War II. ''K-1'' was the leading boat of the class. At first located in Baltic, it was relocated to the Northern Fleet Severnyy flot , image ...

IVL K.1 Kurki IVL K.1 Kurki was a prototype for a four-seated, high-wing trainer aircraft, which was designed in 1927 by Ilmailuvoimien Lentokonetehdas, IVL. The designer was Asser Järvinen and the prototype was manufactured at the IVL plant at Suomenlinna. Th ...

, a Finnish trainer aircraft

Names

* An abbreviation of Keiichi Morisato, a character in the manga/anime ''Oh My Goddess!'' * First name of Keiichi Maebara, a character in ''Higurashi When They Cry'' franchise * K1, a nickname given to Kyler Murray (born 1997), American football quarterback

Transportation

Road transport

BMW K1 The BMW K1 is a motorcycle manufactured by BMW, introduced in 1988. Although expensive and either loved or hated, and with some of its early technology either working in use or not—the enclosure created excess heat buildup, while the long ...

, a sport bike *

K-1 Attack The K-1 Attack Roadster is a sports car built by the Slovak car company K-1 Engineering. The cars are manufactured by hand in Bratislava. The Attack was officially launched in May 2002, but was in development since 1999. The car was originally ...

, a Slovak sports car *

K-1 (Kansas highway) K-1 is a , north-south state highway in southern Comanche County, Kansas, United States, that connects Oklahoma State Highway 34 (SH‑34),with U.S. Route 160/ U.S. Route 183 (US‑160/US‑183). Route description K-1 begins at the Oklaho ...

, a state highway in Kansas *

London Buses route K1 This is a list of Transport for London (TfL) contracted bus routes in London, England, as well as commercial services that enter the Greater London area (except coaches). Bus services in London are operated by Abellio London, Arriva London, ...

, a Transport for London contracted bus route * Tatra K1, a 1967 Czechoslovakian experimental tramcar

Steam locomotives

Furness Railway K1 The Furness Railway 120 class (classified K1 by Bob Rush) or "Seagulls", were a class of four 4-4-0 steam locomotives designed by W. F. Pettigrew and built by Sharp Stewart and Company of Glasgow for the Furness Railway in 1890. Transfer to L ...

, a steam locomotive related to the Furness Railway K2 *

GSR Class K1 GSR may refer to: Organizations * Gas Safe Register, in the United Kingdom * Global Sea Mineral Resources, a subsidiary of the dredging company DEME, aimed at exploring the mining of polymetallic nodules on the deep sea floor * Groupe Scolaire L ...

, a Great Southern Railway Irish steam locomotive * LNER Thompson/Peppercorn Class K1, a 1949 British 2-6-0 (mogul) steam locomotive * NCC Class K1, a

Northern Counties Committee The Northern Counties Committee (NCC) was a railway that served the north-east of Ireland. It was built to Irish gauge () but later acquired a number of narrow gauge lines. It had its origins in the Belfast and Ballymena Railway that opened to ...

Irish steam locomotive * PRR K1, a Pennsylvania Railroad locomotive classification *

SR K1 class The SECR K class was a type of 2-6-4 tank locomotive designed in 1914 by Richard Maunsell for express passenger duties on the South Eastern and Chatham Railway (SECR), which operated between London and south-east England. The Southern Rail ...

, a British 2-6-0 steam locomotive * the first 1909 Tasmanian Government Railways K class Garratt, a type of articulated steam locomotive

Water transport

* ''

K1 Britannia His Majesty's Yacht ''Britannia'' was a gaff-rigged cutter built in 1893 for RYS Commodore Albert Edward, Prince of Wales. She served both himself and his son King George V with a long racing career. Design ''Britannia'' was ordered in 1892 b ...

'', the replica of His Majesty's Yacht ''Britannia'' built in 1893 for Commodore Albert Edward, Prince of Wales * The class/racing number on HMY ''Britannia'''s main sail * K1, a

canoe racing A canoe is a lightweight narrow watercraft, water vessel, typically pointed at both ends and open on top, propelled by one or more seated or kneeling paddlers facing the direction of travel and using a single-bladed paddle. In British Englis ...

event under the International Canoe Federation

Other vehicles

* K-1 (rocket), an aerospace vehicle under development by Rocketplane Kistler

Electronics

Kawai K1 The Kawai K1 is a 61 key synthesizer manufactured in 1988 by Kawai. It is an entry-level and low fidelity synthesizer and not as feature rich as the Kawai K4 and was released to compete with the Roland D50 and Korg M1 synthesizers. The patch me ...

, a digital synthesizer *

Magnetophon K1 Magnetophone, or simply Magnetophon, was the brand or model name of the pioneering reel-to-reel tape recorder developed by engineers of the German electronics company AEG in the 1930s, based on the magnetic tape invention by Fritz Pfleumer. AE ...

, the first tape recorder, produced in Germany in 1935 * Motorola KRZR K1, a mobile phone * Sendo K1, a model of Sendo mobile phone *

Pentax K-1 The Pentax K-1 is the first production Pentax full-frame digital SLR camera. As the flagship model of the Pentax K-mount system, it includes several new and improved features, including a five-axis SR II in-body image stabilization Image ...

, a digital single-lens reflex camera *

Pentax K-01 Pentax K-01 is a mirrorless interchangeable-lens camera announced in February 2012. It uses the Pentax K mount. The camera was listed as discontinued in February 2013, but the following July was reintroduced to the Japanese market in a new whi ...

, a digital mirrorless interchangeable lens camera * Tegra K1, an Nvidia system on a chip for mobile devices

United States government forms

* K-1 visa, a United States immigration visa (also called the fiancé(e) visa) * Schedule K-1, a tax form of the United States Internal Revenue Service (IRS) corresponding with Form 1065 to report one's share of income in a flow-through entity

Music

K. 1 can designate: * six works by Wolfgang Amadeus Mozart: **

K. 1a The ', or ' (English: ''Nannerl's Music Book'') is a book in which Leopold Mozart, from 1759 to about 1764, wrote pieces for his daughter, Maria Anna Mozart (known as "Nannerl"), to learn and play. His son Wolfgang also used the book, in which hi ...

, an Andante in C for Keyboard ** K. 1b, an Allegro in C for Keyboard ** K. 1c, an Allegro in F for Keyboard **

K. 1d The ', or ' (English: ''Nannerl's Music Book'') is a book in which Leopold Mozart, from 1759 to about 1764, wrote pieces for his daughter, Maria Anna Mozart (known as "Nannerl"), to learn and play. His son Wolfgang also used the book, in which h ...

, a Minuet in F for Keyboard **

K. 1e The ', or ' (English: ''Nannerl's Music Book'') is a book in which Leopold Mozart, from 1759 in music, 1759 to about 1764 in music, 1764, wrote pieces for his daughter, Maria Anna Mozart (known as "Nannerl"), to learn and play. His son Wolfgang Am ...

, a Minuet in G for Keyboard **

K. 1f The ', or ' (English: ''Nannerl's Music Book'') is a book in which Leopold Mozart, from 1759 to about 1764, wrote pieces for his daughter, Maria Anna Mozart (known as "Nannerl"), to learn and play. His son Wolfgang also used the book, in which hi ...

, a Minuet in C for Keyboard * Kk. 1 or K. 1, a sonata for keyboard by Scarlatti; see List of solo keyboard sonatas by Domenico Scarlatti *

Kay One Kenneth Glöckler (born 7 September 1984) is a German rapper known as Kay One. He is also known as Prince Kay One. Life and career 1984–2006: Early life, Royal Bunker and German Dream Kay One was born in Friedrichshafen as second son ...

(born 1984), German rapper * Kingz One, a music group created in 2003

Miscellaneous

* Family K1, a set of New Testament manuscripts * K1 or K-1, an abbreviation for kerosene heating fuel * K1, a Larcum Kendall marine chronometer (1769) *

K-1 K-1 is a professional kickboxing promotion established in 1993, well known worldwide mainly for its heavyweight division fights and Grand Prix tournaments. In January 2012, K-1 Global Holdings Limited, a company registered in Hong Kong, acquired ...

, a kickboxing promotion * Haplogroup LT or K1, a Y-chromosome DNA haplogroup * K1, an alternative title for Kommune 1 * k1, a coefficient that encapsulates process-related factors, limiting the minimum feature size in

photolithography In integrated circuit manufacturing, photolithography or optical lithography is a general term used for techniques that use light to produce minutely patterned thin films of suitable materials over a substrate, such as a silicon wafer, to protect ...

* K1 fund, a suspected German Ponzi-scheme * an abbreviation for KotOR 1 * K₁, a common name for the vitamin phylloquinone {{Letter-Number Combination Disambiguation