JSC United Engine Corporation (Russian: Объединённая двигателестроительная корпорация) is a Russian state-owned company responsible for production of engines for military and civil aviation and space exploration programs.

The company has also engineered and introduced to the market new gas-turbine units with a capacity of 60-110 mw.

Compared to other companies of the Rostec group, the financial situation of United Engine Corporation is described as "quite unstable", owing to the considerable amount of debt raised to fund asset purchases.

[3] Sanctioned by the United States Office of Foreign Assets Control in December 2015 [4] Companies included in the group:[5][6] The UEC was formed by Decree of the President of the Russian Federation No.497 dated April 16, 2008 and Decree of the Government of the Russian Federation No.1446-r dated October 04, 2008 in order to consolidate the intellectual and production potential of the domestic engine industry to ensure the competitiveness of Russian engine products on the world market.

Currently more than 80% of the aircraft engine industry assets are integrated into the UEC.