A19, A-19, etc. may refer to: * A19, one of the Encyclopaedia of Chess Openings codes for the English Opening * A19, a 2002 album by the Battlefield Band * "A19", a song by Maxïmo Park from the Missing Songs album * A19 light bulb, a common household bulb * A19 road, a code used to identify a particular road in several countries * 122 mm gun M1931/37 (A-19), a Soviet field gun * Aero A.19, a 1923 Czech fighter aircraft design * Arrows A19, a Formula One car * British NVC community A19 (Ranunculus aquatilis community), a plant community * HLA-A19, a human serotype * Saro A.19 Cloud, a 1930 British flying boat * Subfamily A19, a rhodopsin-like receptors subfamily * Vultee A-19, a 1939 American attack aircraft This disambiguation page lists articles associated with the same title