| DS3 (ДС3) | |
| Powertype: | Electric |
| Builder: | DEVZ |
| Totalproduction: | 18 |
| Builddate: | 2003–08 |
| Uicclass: | BoBo |
| Maxspeed: | 160km/h |
| Locoweight: | 90 t |
| Tractionmotors: | 4 |
| Poweroutput: | 4800abbr=onNaNabbr=on |
| Tractiveeffort: | 310abbr=onNaNabbr=on |
| Safety: | ALSN |
| Locobrakes: | Air and electric |
| Trainbrakes: | Air |
The DS3 (Ukrainian: ДС3) is an AC electric locomotive manufactured by Dnipropetrovsk research-and-production association for electric locomotive engineering (NPO DEVZ) jointly with Siemens. (Ukrainian: [[:uk:Дніпропетровський електровозобудівний завод|Дніпропетровський електровозобудівний завод]], Ukrainian: ДЕВЗ)
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.