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) K1 (formerly Cracovia Business Center), also ''Błękitek'', is a commercial building in Kraków, Poland, at 1 Pokoju Avenue, near the Grzegórzeckie Roundabout. It is a 20-story building, housing offices for Bank Pekao and other companies. It is ...

, 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 The Daewoo Precision Industries K1/K1A is a South Korean selective-fire assault rifle developed by Agency for Defense Development (ADD) and manufactured by SNT Motiv, Daewoo Precision Industries (now SNT Motiv) and Dasan Machineries (since 2016). ...

, a carbine of the South Korean army * EMER K-1, a Burmese assault rifle designated

EMERK The EMER K-1, sometimes known as the EMER K1 or EMERK-1, was a prototype bullpup assault rifle made in Myanmar by the Electrical Mechanical and Engineering Corps (EMEC). Reverse engineered in 1995 from the Chinese QBZ-97 assault rifle, the EMER K ...

Fokker K.I The Fokker K.I ( - "Battleplane"), company designation M.9, was a German experimental biplane built during World War I by the (Fokker Aircraft Company). It was intended to meet a need by the (Imperial German Air Service) for an aircraft that co ...

, 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 The K1, sometimes referred to as the 88 Tank (88 전차), 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 ...

, or Type 88 tank, 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 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 ordered in No ...

, 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 Gimhae Air Base is a Republic of Korea Air Force (ROKAF) base adjacent to Gimhae International Airport. Runway 18L/36R is used for military purposes only. Units The base is home to the ROKAF's 5th Tactical Airlift Wing (제5전술공수비� ...

Soviet submarine K-1 ''K-1'' was the lead boat of her class of a dozen double-hulled cruiser submarines built for the Soviet Navy during the late 1930s. Although given a heavy torpedo armament, the boats could also lay mines. Commissioned in 1940, the boat was as ...

* 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 Kyler Cole Murray (born August 7, 1997) is an American professional football quarterback for the Arizona Cardinals of the National Football League (NFL). Following one season of college football with the Texas A&M Aggies, Murray played for the ...

(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 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 Oklah ...

, 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 Arriva London, Go-Ahead London ( ...

, a Transport for London contracted bus route *

Tatra K1 The Tatra K1 was an experimental tramcar developed by ČKD Tatra between 1964 and 1965. History Previous Tatra units were concerned primarily with increasing capacity in a single tramcar. Tatra sought to correct this shortcoming by developing ...

, 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 ...

, a steam locomotive class related to the Furness Railway K2 *

GSR Class K1 GSR may refer to: Law * General Statutory Rules Medicine, science and technology * Galvanic skin response, physiological phenomenon * Glutathione-disulfide reductase, enzyme * Gunshot residue Organizations * Gas Safe Register, in the United K ...

, 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 The Great Northern Railway Class H2 and H3 (classified K1 and K2 by the LNER) was a class of 2-6-0 steam locomotive designed for mixed-traffic work. The class was created as a locomotive which could haul heavier goods trains at speeds of up ...

, a class of British steam locomotives *

NCC Class K1 NCC may refer to: Biology *Neural correlates of consciousness, neuronal events and mechanisms relating to perception phenomena *Sodium-chloride symporter, abbreviated as NCC Companies *National Certification Corporation, a nursing specialty cer ...

, 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 Locomotive classification on the Pennsylvania Railroad took several forms. Early on, steam locomotives were given single-letter classes. As the 26 letters were quickly assigned, that scheme was abandoned for a more complex system. This was used f ...

* 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 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 ...

'', 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) The Kistler K-1 was a two-stage, fully reusable launch vehicle design created by Kistler Aerospace. It was to accommodate a wide range of missions, including payload delivery to low Earth orbit (LEO), payload delivery to high-energy orbits with ...

, 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 ...

, 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 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 system, n ...

, 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 Tegra is a system on a chip (SoC) series developed by Nvidia for mobile devices such as smartphones, personal digital assistants, and mobile Internet devices. The Tegra integrates an ARM architecture central processing unit (CPU), graphics pr ...

, 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 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 ...

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

K. 1c 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 ...

, 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 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 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 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 Kingz One (K1) is a music group founded by brothers Alex and Roy Ramirez, who are originally from Chicago, Illinois and are now based in Corpus Christi, Texas. They were previously part of their uncles' group La Sombra (band), La Sombra and went ...

, a music group created in 2003

Miscellaneous

Family K1 Family K1 is a small group of the New Testament manuscripts. It belongs to the Byzantine text-type as one of the textual families of this group. It has five uncials, and several early minuscules. It is one of the smallest subfamilies of the Byzantin ...

, 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 Phytomenadione, also known as vitamin K1, phylloquinone, or phytonadione, is a vitamin found in food and used as a dietary supplement. It is on the World Health Organization's List of Essential Medicines. It is used to treat certain bleeding ...