AN 255 airplane Low-poly 3D model

Antonov State Enterprise (Ukrainian: Державне підприємство «Антонов»), formerly the Aeronautical Scientific-Technical Complex named after Antonov (Antonov ASTC) (Ukrainian: Авіаційний науково-технічний комплекс імені Антонова, [АНТК ім. Антонова]), and earlier the Antonov Design Bureau, for its chief designer, Oleg Antonov, is a Ukrainian aircraft manufacturing and services company. Antonov's particular expertise is in the fields of very large aeroplanes and aeroplanes using unprepared runways. Antonov (model prefix An-) has built a total of approximately 22,000 aircraft, and thousands of its planes are operating in the former Soviet Union and in developing countries.

Antonov StC is a state-owned commercial company. Its headquarters and main industrial grounds were originally located in Novosibirsk, and in 1952 were transferred to Kyiv.[3] On 12 May 2015 it was transferred from the Ministry of Economic Development and Trade to the Ukroboronprom (Ukrainian Defense Industry).

In June 2016, Ukraine's major state-owned arms manufacturer Ukroboronprom announced the creation of the Ukrainian Aircraft Corporation within its structure, to combine all aircraft manufacturing enterprises in Ukraine.