Pivdenne Design Office (Ukrainian: Державне конструкторське бюро «Південне» ім. М. К.

Янгеля, romanized: Derzhavne konstruktorske biuro "Pivdenne" im.

'State design bureau "Southern", named after M. K. Yangel'), located in Dnipro, Ukraine, is a designer of satellites and rockets, and formerly of Soviet intercontinental ballistic missiles (ICBMs), established by Mikhail Yangel.

During the Soviet era, the bureau's OKB designation was OKB-586.

Pivdenmash is the main manufacturer of the models developed by Pivdenne Design Office.