A20, A 20, A.20 or A-20 may refer to:

Vehicles A-20 Havoc, a U.S.-designed attack aircraft used in World War II A20 heavy tank, a British tank which did not enter production but of which a downsized version became the A22 Churchill tank A-20 tank, one of the prototypes of Soviet T-34 tank Aero A.20, a Czech fighter plane Arrows A20, a race car Fiat A.20, an engine powering the 1925 Italian Ansaldo A.120 aircraft Focke-Wulf A 20, a 1927 German airliner JAC Heyue A20, a subcompact car Junkers A 20, a predecessor of the Junkers A 35 aircraft

Other uses A20 cell line, a cell line A20 line, an address line on the system bus of x86 processors University of Aberdeen (UCAS institution code) British NVC community A20 (Ranunculus peltatus community), a plant community Dance Dance Revolution A20, the latest version of Konami's arcade rhythm game series English Opening (Encyclopedia of chess openings code) List of A20 roads Oshiage Station (station code), a train station in Sumida, Tokyo, Japan Samsung Galaxy A20, smartphone released in 2019 TNFAIP3 or A20, a zinc finger protein that inhibits NF-kappa B activation Alternative 2020, a political party in Suriname A-20, a character in the Japanese .hack//Sign anime, whose voice is given by Atsuko Enomoto Apple A20 Pro, a mobile processor produced by Apple

See also

AXX (disambiguation) A2O, or Alps to Ocean, a cycleway in New Zealand