J20 or J-20 may refer to:

Vehicles

Aircraft

Chengdu J-20 The Chengdu J-20 (), also known as Mighty Dragon (, NATO reporting name: Fagin), is a twinjet, twin-engine Night fighter, all-weather Stealth aircraft, stealth fighter developed by China's Chengdu Aircraft Corporation for the People's Liberatio ...

, a Chinese stealth fighter *

Reggiane J 20 The Reggiane Re.2000 ''Falco'' I is an Italian all metal, low-wing monoplane developed and manufactured by aircraft company Reggiane. The type was used by the ''Regia Aeronautica'' (Italian Air Force) and the Swedish Air Force during the first pa ...

, an Italian fighter in service with the Swedish Air Force *

Soko J-20 Kraguj The Soko J-20 Kraguj (from ) is a light military, single-engine, low-wing single-seat aircraft with a metal airframe, capable of performing close air support, counterinsurgency (COIN), and reconnaissance missions, that was designed by VTI and ...

, a Yugoslavian light attack aircraft

Automobiles

* Jeep J20, an American pickup truck * Toyota Land Cruiser (J20), a Japanese off-road vehicle

Locomotives

* LNER Class J20, a British steam locomotive class

Ships

* , an ''Östergötland''-class destroyer of the Swedish Navy * , a ''Sandhayak''-class survey ship of the Indian Navy

Other uses

J20 Nationell J20 Nationell is a junior ice hockey league composed of 20 teams in Sweden. Previously known as the J20 SuperElit, it is the highest-level junior ice hockey league in Sweden. The teams are divided in two groups, or divisions, ''Norra'' (North) ...

, a Swedish junior hockey league *

Acute bronchitis Acute bronchitis, also known as a chest cold, is short-term bronchitis – inflammation of the bronchus, bronchi (large and medium-sized airways) of the lungs. The most common symptom is a cough. Other symptoms include sputum, coughing up mucus, ...

* County Route J20 (California) *

DisruptJ20 DisruptJ20 (also Disrupt J20) was an organization that protested and attempted to disrupt events of the presidential inauguration of the 45th U.S. President, Donald Trump, which occurred on January 20, 2017. The group was founded in July 2016 a ...

, founded to protest the inauguration of Donald Trump in January 2017 *

Elongated pentagonal cupola In geometry, the elongated pentagonal cupola is one of the Johnson solids (). As the name suggests, it can be constructed by elongating a pentagonal cupola () by attaching a decagonal prism to its base. The solid can also be seen as an elongated ...