The DS3 () is an AC electric locomotive manufactured by Dnipropetrovsk research-and-production association for electric locomotive engineering (NPO DEVZ) jointly with Siemens. (, )
Siemens provided the power electronics while DEVZ produced the chassis, traction motors, auxiliary machinery etc.
The DS3 was designed as a dual-purpose locomotive for both passenger and freight service, but now is used primarily for pulling express passenger trains.