J20 or J-20 may refer to:

• Chengdu J-20, 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

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

• LNER Class J20, a British steam locomotive class

• HSwMS Östergötland (J20), an Östergötland-class destroyer of the Swedish Navy
• INS Nirupak (J20), a Sandhayak-class survey ship of the Indian Navy

• J20 Nationell, a Swedish junior hockey league
• Acute bronchitis
• 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, held in Washington, D.C. and other American cities
• Nissan J20, an automobile engine

• J₂O, with a letter "O" instead of a zero

Topics referred to by the same term

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