Windhoff is a German manufacturer of specialised railways rolling stock, and heavy industrial plant. The company was founded in 1889 by Rudolf Windhoff and started out manufacturing machines for the weaving industry, by 1901 they had expanded to employ over 100 people.

Windhoff manufactures specialised rail vehicles including the diesel freight multiple unit the CargoSprinter, and the Windhoff MPV, used for infrastructure and service trains, as well as electric and diesel shunting machines, shunting locomotives, and stationary shunting equipment. The company also manufactures a wide variety of rail service equipment including lifting equipment, traversers and turntables and equipment for wheelset maintenance including wheel and bogie drop machines, and wheelset and bogie measuring equipment.

Windhoff has a contract to supply Network Rail with a factory train which will be used by Amey plc in the Great Western electrification project.