A23 may refer to: A-23 Baltimore, an early light reconnaissance bomber A23 battery Aero A.23, a Czech passenger plane of the 1920s Arrows A23, a Formula One car British NVC community A23 (Isoetes lacustris/setacea community), a plant community HLA-A23, an HLA-A serotype Samsung Galaxy A23, an Android smartphone A23a, a large iceberg which calved in 1986

See also English Opening, Encyclopaedia of Chess Openings code Assemblage 23, a futurepop/synthpop/EBM musical act

Roads List of A23 roads