'Rocket Engine 0124', GRAU index: 14D23) is a rocket engine burning liquid oxygen and kerosene in an oxygen-rich staged combustion cycle, developed by the Chemical Automatics Design Bureau in Voronezh.

A variant of the engine, the RD-0124A, is used on the Angara rocket family's URM-2 upper stage.

Vehicle attitude control during ascent is provided by gimbaling the engine in two planes.

The inaugural flight of a launch vehicle using an RD-0124 engine took place on December 27, 2006, on the inaugural launch of the Soyuz-2.1b[8] Orbital Sciences considered using the RD-0124 in the High Energy Second Stage (HESS) for their Antares rocket.

[10] This upper stage engine has been adapted to two different launch vehicles, the Soyuz 2.1b/v and the Angara family.