J1, J01, J.I, J-I or J-1 may refer to:

Vehicles

Aircraft

* AEG J.I, a World War I German ground attack aircraft * Albatros J.I, a 1917 German ground-attack single-engine biplane aircraft *

Junkers J 1 The Junkers J 1, nicknamed the (Tin Donkey or Sheet Metal Donkey), was an experimental monoplane aircraft developed by Junkers. It was the first all-metal aircraft in the world. Manufactured early in the First World War, an era in which aircraf ...

, a 1916 German aircraft *

Junkers J.I The Junkers J.I (manufacturer's name J 4) was a German Idflieg aircraft designation system, "J-class" armored sesquiplane of World War I, developed for low-level attack aircraft, ground attack, Aerial reconnaissance, observation and liaison airc ...

, a 1917 German aircraft *

Lawrance J-1 The Lawrance J-1 was an engine developed by Charles Lanier Lawrance and used in American aircraft in the early 1920s. It was a nine-cylinder, air-cooled radial design. Development During World War I the Lawrance Aero Engine Company of New Yor ...

, an early 1920s engine used in American aircraft

Locomotives

LB&SCR J1 class The LB&SCR J1 and J2 classes were 4-6-2 steam tank locomotives designed by D. E. Marsh for express passenger services on the London, Brighton and South Coast Railway. History Following the success of his I3 4-4-2 tank locomotive class, Dou ...

, a British LB&SCR locomotive *

LNER Class J1 The GNR Ivatt Class 1 0-6-0 (LNER Class J1) was a class of fifteen inside-cylinder 0-6-0s designed for express goods work. They were Henry Ivatt's first original class of 0-6-0. Ivatt had previously designed a modified version of Patrick Stirling ...

, a class of British steam locomotives *

PRR J1 The PRR J1 was a class of 2-10-4 "Texas" type steam locomotives built between 1942 and 1944. The J1 had over of tractive effort, plus an additional if the booster engine was used. Features As with many of the Pennsylvania Railroad's steam loc ...

, an American PRR steam locomotive

Other vehicles

J-I rocket The J-I was a solid-fuel, expendable, small-lift launch vehicle developed by the National Space Development Agency of Japan and the Institute of Space and Astronautical Science. In an attempt to reduce development costs, it used the solid rocket ...

, a Japanese solid rocket expendable launch vehicle *

J1 type submarine The , also called were large cruiser submarines (Junsen type submarines) of the Imperial Japanese Navy. Four boats were built between 1926 and 1929. These boats, based on the KD2 and U-139 designs, were of a junsen, or cruiser, type with an im ...

, a World War II Imperial Japanese Navy cruiser submarines class * HMS ''J1'', a 1915 World War I British submarine *

JAC J1 JAC Yueyue is a city car produced by Jianghuai Automobile, JAC under the Heyue passenger car series that debuted on the 2010 Beijing Auto Show. Overview The Yueyue was available starting from August 2010 for a price range of 30,000 to 40,000 rmb ...

, a subcompact car * Al Fahd 300 (J-1), an Iraqi surface-to-surface missile project

In arts and entertainment

* J-1 World Heavyweight Championship, a professional wrestling competition * J1 World Tour, a concert tour by Taiwanese singer Jolin Tsai * ''

J1 Live Concert ''J1 Live Concert'' () is a live video album by Taiwanese singer Jolin Tsai, released by Sony BMG on September 23, 2005. The album features a recording of Tsai's performance from the J1 World Tour concert, held on November 20, 2004, at the Chun ...

'', a 2005 live album by Taiwanese singer Jolin Tsai * "J1" (song), a 2008 song by Mallu Magalhães * J.I the Prince of N.Y, American rapper also known as J.I.

In mathematics and science

ATC code J01 J01A Tetracyclines J01AA Tetracyclines :J01AA01 Demeclocycline :J01AA02 Doxycycline :J01AA03 Chlortetracycline :J01AA04 Lymecycline :J01AA05 Metacycline :J01AA06 Oxytetracycline :J01AA07 Tetracycline :J01AA08 Minocycline :J01AA09 Rolitetra ...

, ''Antibacterials for systemic use'', a subgroup of the Anatomical Therapeutic Chemical Classification System *

Haplogroup J1 (Y-DNA) Haplogroup J-M267, also commonly known as Haplogroup J1, is a subclade (branch) of Y-DNA haplogroup J-P209 (commonly known as haplogroup J) along with its sibling clade haplogroup J-M172 (commonly known as haplogroup J2). (All these haplog ...

, a Y-DNA haplogroup * Janko group J₁, in mathematics *

S/2003 J 1 Eukelade , also known as , is a retrograde irregular satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaii led by Scott S. Sheppard in 2003, and received the temporary designation . Eukelade is about 4 k ...

, a former name for Eukelade, a satellite of Jupiter * First-order

Bessel function Bessel functions, named after Friedrich Bessel who was the first to systematically study them in 1824, are canonical solutions of Bessel's differential equation x^2 \frac + x \frac + \left(x^2 - \alpha^2 \right)y = 0 for an arbitrary complex ...

of the first kind, denoted

j_1

* J01, the ICD-10 code for acute

sinusitis Sinusitis, also known as rhinosinusitis, is an inflammation of the mucous membranes that line the sinuses resulting in symptoms that may include production of thick nasal mucus, nasal congestion, facial congestion, facial pain, facial pressure ...

, a medical condition * J₁, the Johnson solid notation for an

equilateral square pyramid In geometry, a square pyramid is a pyramid with a square base and four triangles, having a total of five faces. If the apex of the pyramid is directly above the center of the square, it is a ''right square pyramid'' with four isosceles triangle ...

Other uses

J-1 visa A J-1 visa is a non-immigrant visa (document), visa issued by the United States to research scholars, professors and exchange visitors participating in programs that promote cultural exchange, especially to obtain medical or business training w ...

, a type of U.S. visa for exchange visitors * The

J1 League The , the J.League or the for sponsorship reasons, is a professional association football league in Japan and the highest level of the Japanese football league system. Contested by 20 clubs, it operates on a system of promotion and relegation ...

, the top division of Japanese association football *

Samsung Galaxy J1 The Samsung Galaxy J1 is an Android smartphone developed by Samsung Electronics. It was released in January 2015 and is the first phone of the Galaxy J series. It was marketed as an entry-level device starting at $100. History The Galaxy J ...

, a smartphone * J1, abbreviation, reference to the director staff of the

Joint Chiefs of Staff The Joint Chiefs of Staff (JCS) is the body of the most senior uniformed leaders within the United States Department of Defense, which advises the president of the United States, the secretary of defense, the Homeland Security Council and ...