Duewag
| Formerly | Waggonfabrik Uerdingen | 
|---|---|
| Industry | manufacture of railway locomotives and rolling stock (NACE 30.2) vehicle construction | 
| Predecessor | Düsseldorfer Waggonfabrik | 
| Founded | March 1898 | 
| Fate | Merged into Siemens Mobility | 
| Successor | Siemens & Halske | 
| Headquarters | Krefeld, Germany | 
| Products | Rolling stock | 
| Parent | Siemens | 
| Website | www.duewag.de | 
Düwag or Duewag (stylised in all caps), formerly Waggonfabrik Uerdingen, was a German manufacturer of rail vehicles. It was sold in 1999 to Siemens with the brand later retired.