Sisu Auto
| Company type | Osakeyhtiö | 
|---|---|
| Industry | Automotive | 
| Predecessor | Autoteollisuus-Bilindustri and Autokoritehdas | 
| Founded | 1 April 1931 in Helsinki, Finland | 
| Founder | Karl Arthur Nordgrén Emil Anton Winckelmann Lars Wilhelm Åberg | 
| Headquarters | , Finland | 
| Key people | Timo Korhonen (owner and CEO) | 
| Products | On- and off-road trucks; military trucks | 
| Services | Heavy vehicle application engineering | 
| Revenue | 
 | 
| 
 | |
| Owner | Timo Korhonen | 
| Number of employees | 
 | 
| Subsidiaries | Sisu Auto Trucks Oy Sisu Defence Oy Sisu Engineering Oy | 
| Website | sisuauto | 
Oy Sisu Auto Ab is a truck manufacturer based in Raseborg, Finland. Its name comes from the Finnish word sisu meaning guts, grit and determination.
Sisu Auto has a subsidiary company, Sisu Defence, producing high mobility tactical vehicles for military use.