K1, K.I, K01, K 1 or K-1 can refer to:

Geography

* K1, another name for

Masherbrum Masherbrum, formerly known as K1, is a mountain located in the Gilgit-Baltistan region of the Karakoram mountain range. It has an elevation of 7,821 metres (25,659 feet), ranking as the 22nd highest mountain in the world and the 9th highest ...

, a mountain in the Karakoram range in Pakistan * Kōnāhuanui 1, a mountain in Oahu, Hawaii * K1, a small town to north of

Kirkuk Kirkuk (; ; ; ) is a major city in northern Iraq, serving as the capital of the Kirkuk Governorate. The city is home to a diverse population of Kurds, Iraqi Turkmen, Iraqi Turkmens and Arabs. Kirkuk sits on the ruins of the original Kirkuk Cit ...

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, 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 tank, or Type 88 tank, a modern main battle tank of the South Korean military * K-1 cart a United States Signal Corps cart for carrying signal equipment * K 1, a designation for a Swedish cavalry regiment * K1-class gunboat, 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 Škoda means "pity" in the Czech and Slovak languages. It may also refer to: Czech brands and enterprises * Škoda Auto, automobile and previously bicycle manufacturer in Mladá Boleslav ** Škoda Motorsport, the division of Škoda Auto responsi ...

, 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 * IVL K.1 Kurki, a Finnish trainer aircraft

Names

* An abbreviation of

Keiichi Morisato is a major fictional character in the popular manga ''Oh My Goddess!'' and in the anime of the same name and is voiced by Masami Kikuchi. His name is often abbreviated as "K1" (1 in the Japanese language is "ichi"). Description Keiichi was a ...

, 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 Motorrad, BMW, introduced in 1988. Although expensive and either loved or hated, the short production run created the result that the motorcycling press and public never had the same view of BMW moto ...

, a sport bike * K-1 Attack, a Slovak sports car * K-1 (Kansas highway), a state highway in Kansas * London Buses route K1, a Transport for London contracted bus route * Tatra K1, a 1967 Czechoslovakian experimental tramcar

Steam locomotives

* Furness Railway K1, a steam locomotive class related to the Furness Railway K2 * GSR Class K1, a Great Southern Railway Irish steam locomotive * LNER Thompson/Peppercorn Class K1, a 1949 British 2-6-0 (mogul) steam locomotive class * LNER Class K1, a class of British steam locomotives * 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 which opened ...

Irish steam locomotive * PRR K1, a Pennsylvania Railroad locomotive classification * SR K1 class, a British 2-6-0 steam locomotive * the first 1909

Tasmanian Government Railways K class Tasmania (; palawa kani: ''Lutruwita'') is an island state of Australia. It is located to the south of the Australian mainland, and is separated from it by the Bass Strait. The state encompasses the main island of Tasmania, the 26th-la ...

Garratt, a type of articulated steam locomotive

Water transport and sport

* '' K1 Britannia'', 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, (single kayak) 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 paddles. In British English, the term ' ...

event under the International Canoe Federation

Other vehicles

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

Electronics

* Kawai K1, a digital synthesizer *

Magnetophon K1 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. AEG created the world's firs ...

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

Sendo K1 Sendo was a British manufacturer and supplier of mobile phones founded in 1998 and based in Birmingham. It specialised in low-cost handsets aimed primarily at the pay-as-you-go markets and also high-end Symbian smartphones. The company went in ...

, a model of Sendo mobile phone * Pentax K-1, 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#"Crippled" KAF2 mount, Pentax K mount. The camera was listed as discontinued in February 2013, but the following July was reintroduce ...

, 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 K-1 visa is a visa issued to the fiancé or fiancée of a United States citizen to enter the United States. A K-1 visa requires a foreigner to marry his or her U.S. citizen petitioner within 90 days of entry, or depart the United States. Once ...

, 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 A flow-through entity (FTE) is a legal entity where income "flows through" to investors or owners; that is, the income of the entity is treated as the income of the investors or owners. Flow-through entities are also known as pass-through entities ...

Music

K. 1 can designate: * six works by Wolfgang Amadeus Mozart: ** K. 1a, an Andante in C for Keyboard ** K. 1b, an Allegro in C for Keyboard ** K. 1c, an Allegro in F for Keyboard ** K. 1d, a Minuet in F for Keyboard ** K. 1e, a Minuet in G for Keyboard ** K. 1f, 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 Italian composer Domenico Scarlatti (1685–1757) wrote 555 solo keyboard sonatas throughout his career. Circulated irregularly in his lifetime, these are now recognized as a significant contribution which pushed the musical and technical standa ...

* Kay One (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 Kerosene, or paraffin, is a combustibility, combustible hydrocarbon liquid which is derived from petroleum. It is widely used as a fuel in Aviation fuel, aviation as well as households. Its name derives from the Greek (''kērós'') meaning " ...

heating fuel * K1, a

Larcum Kendall Larcum Kendall (21 September 1719 in Charlbury, Oxfordshire – 22 November 1790 in London) was a watchmaker from Oxfordshire, who was active in London. Early life Kendall was born on 21 September 1719 in Charlbury. His father was a Merce ...

marine chronometer (1769) *

K-1 K-1 is a professional kickboxing promotion established in 1993 by karateka Kazuyoshi Ishii. Originally under the ownership of the Fighting and Entertainment Group (FEG), K-1 was considered to be the largest Kickboxing organization in the worl ...

, a kickboxing promotion *

Haplogroup LT Haplogroup LT or LT-L298/P326, also known as K1 (and until 2008 as Haplogroup K2), is a Y-chromosome DNA haplogroup. Its defining SNP mutations are L298 and P326. No confirmed cases of the basal paragroup LT* have been identified among livin ...

or K1, a Y-chromosome DNA haplogroup * K1, an alternative title for

Kommune 1 Kommune 1 or K1 was a politically motivated commune in Germany. It was created on 12 January 1967, in West Berlin and finally dissolved in November 1969. Kommune 1 developed from the extraparliamentary opposition of the German student moveme ...

* k1, a coefficient that encapsulates process-related factors, limiting the minimum feature size in

photolithography Photolithography (also known as optical lithography) is a process used in the manufacturing of integrated circuits. It involves using light to transfer a pattern onto a substrate, typically a silicon wafer. The process begins with a photosensiti ...

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