KB Pivdenne
| Company type | State owned | 
|---|---|
| Industry | Aerospace, defense | 
| Predecessors | OKB-586, SDO Yuzhnoye | 
| Founded | 1951 | 
| Founder | Mikhail Yangel | 
| Headquarters | , Ukraine | 
| Area served | Worldwide | 
| Number of employees | 5,500 (2017) | 
| Website | yuzhnoye.com | 
The Pivdenne Design Office (Ukrainian: Державне конструкторське бюро «Південне» ім. М. К. Янгеля, abbr. Державне КБП, romanized: Derzhavne konstruktorske biuro "Pivdenne" im. M. K. Yanhelia, abbr. Derzhavne KB Pivdenne, lit. '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.
The company is in close co-operation with the PA Pivdenmash multi-product machine-building company, also situated in Dnipro. Pivdenmash is the main manufacturer of the models developed by Pivdenne Design Office.