MAN Diesel & Turbo
- Country: Germany
- Type: Commercial
- Website: dieselturbo.man.eu
- Update: 05-02
MAN Diesel & Turbo (MAN Diesel & Turbo SE; MAN Diesel & Turbo) is a subsidiary of MAN Group, headquartered in Augsburg, which mainly produces large-bore diesel engines, gas engines and turbine machinery. MAN Diesel & Turbo and Wärtsilä Finland are listed as the world's two major marine diesel engine giants.