J3, J03, J 3 or J-3 may refer to:

Roads

County Route J3 (California) There are 45 routes assigned to the "J" zone of the California Route Marker Program, which designates county routes in California. The "J" zone includes county highways in Alameda County, California, Alameda, Calaveras County, California, Calav ...

Malaysia Federal Route J3 Kempas Highway or Jalan Kempas (Johor state route J3) is a major highway in Johor Bahru, Johor, Malaysia. It is the only state road in Malaysia constructed as a two-lane highway by an expressway concessionaire company, PLUS Expressway Berhad as ...

Submarines

Junsen type submarine The was a ship class of submarines of the Imperial Japanese Navy (IJN). There were four submarine designs of the Junsen type: J1, a modified J1, J2 and the J3. Class variants The Junsen type submarines were divided into four classes: * * * ...

HMAS J3 HMS ''J3'' (later HMAS ''J3'') was a ''J''-class submarine operated by the Royal Navy and the Royal Australian Navy. Design and construction The J class was designed by the Royal Navy in response to reported German submarines with surface s ...

, an Australian submarine

Aircraft

* Junkers J 3, a German

Junkers aircraft Junkers Flugzeug- und Motorenwerke AG (JFM, earlier JCO or JKO in World War I, English: Junkers Aircraft and Motor Works) more commonly Junkers , was a major German aircraft and aircraft engine manufacturer. It was founded in Dessau, Germany, ...

* J-3, a U.S. Navy airship *

Ishikawajima-Harima J3 The Ishikawajima-Harima J3 was a Japanese turbojet aircraft engine. It was the first jet engine designed and built in Japan after the Second World War and was used to power the Fuji T-1 trainer and as a booster engine in the Kawasaki P-2J patro ...

, turbojet engine *

Piper J-3 The Piper J-3 Cub is an American light aircraft that was built between 1938 and 1947 by Piper Aircraft. The aircraft has a simple, lightweight design which gives it good low-speed handling properties and short-field performance. The Cub is Pi ...

, a 1938 light aircraft

Other uses

* J3 perturbation, gravitational force caused by an imperfect symmetry north–south of an object being orbited *

J3 Operations Directorate 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 t ...

, part of the US Joint Chiefs of Staff * GS&WR Class J3, an Irish steam locomotive *

JAC J3 JAC or Jac may refer to: Businesses * JAC Liner, a Philippine bus company *JAC Motors, a Chinese automobile manufacturer * Japan Air Commuter airline (ICAO: JAC) Organizations * JAC (football club), a football club from Libreville, Gabon * Japan ...

, a subcompact car produced by JAC Motors *

Janko group J3 In the area of modern algebra known as group theory, the Janko group ''J3'' or the Higman-Janko-McKay group ''HJM'' is a sporadic simple group of order : 50,232,960 = 273551719. History and properties ''J3'' is one of the 26 ...

, in mathematics * Eupheme (temporarily designated S/2003 J 3), a satellite of Jupiter *

J3 League or simply J3 is the third division of . It was established in 2013 as the third-tier professional association football league in Japan under the organization of J.League. The league is known as the for sponsorship reasons. The third-tier nation ...

, Japanese football league *

Northwestern Air Northwestern Air is an airline based in Fort Smith, Northwest Territories, Canada. It operates scheduled passenger services to seven destinations in two territories/provinces, as well as undertaking ad hoc charters and long-term charter contra ...

IATA The International Air Transport Association (IATA ) is an airline trade association founded in 1945. IATA has been described as a cartel since, in addition to setting technical standards for airlines, IATA also organized tariff conferences tha ...

code * J03: acute

tonsillitis Tonsillitis is inflammation of the tonsils in the upper part of the throat. It can be acute or chronic. Acute tonsillitis typically has a rapid onset. Symptoms may include sore throat, fever, enlargement of the tonsils, trouble swallowing, and en ...

ICD-10 code *

Triangular cupola In geometry, the triangular cupola is the cupola with hexagon as its base and triangle as its top. If the edges are equal in length, the triangular cupola is the Johnson solid. It can be seen as half a cuboctahedron. The triangular cupola can b ...

, Johnson Solid number 3 *

Samsung Galaxy J3 The Samsung Galaxy J3 (2016) (also known as ''Galaxy J3 V'', ''Galaxy J3 Pro'', ''Galaxy Amp Prime, and Galaxy Express Prime'') is an Android smartphone manufactured by Samsung Electronics and was released on 6 May 2016. Specifications Har ...

, a smartphone by Samsung *

J3 battlecruiser The J3 class battlecruiser was a design study conducted during the Royal Navy's 1921 Fleet modernization programme. As a follow-on to the , the J3 class incorporated all the lessons learned from the First World War, specifically the battle of ...

, a British military vessel design from 1920s*

LNER Class J3 The Great Northern Railway J4 Class was a class of 322 0-6-0 steam locomotives, introduced in 1882 designed by Patrick Stirling for goods traffic. Just over half of these were rebuilt by Nigel Gresley to a design by Henry Ivatt between 1912 an ...

, a class of British steam locomotives

Roads

Submarines

Aircraft

Other uses

See also