J20 or J-20 may refer to:

Vehicles

Aircraft

Chengdu J-20 The Chengdu J-20 (), also known as ''Mighty Dragon'' (), is a twinjet all-weather stealth fighter aircraft developed by China's Chengdu Aerospace Corporation for the People's Liberation Army Air Force (PLAAF). The J-20 is designed as an air ...

, a Chinese stealth fighter * Reggiane J 20, an Italian fighter in service with the Swedish Air Force * Soko J-20 Kraguj, 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 The GER Class D81 was a class of twenty-five 0-6-0 steam locomotives designed by A. J. Hill for the Great Eastern Railway. The all passed to the London and North Eastern Railway at the 1923 grouping and received the classification J20. History ...

, 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 bronchi (large and medium-sized airways) of the lungs. The most common symptom is a cough. Other symptoms include coughing up mucus, wheezing, shortne ...

* County Route J20 (California) * DisruptJ20, founded to protest the inauguration of Donald Trump in January 2017 * Elongated pentagonal cupola, a Johnson solid (J₂₀) *

January 20, 2005 counter-inaugural protest On January 20, 2005, a number of counter-inaugural demonstrations were held in Washington, D.C., and other American cities to protest the second inauguration of President George W. Bush. Rally at Malcolm X Park The DC Anti-War Network (DAWN) s ...