Ytteborg Brewery
| Company type | Private | 
|---|---|
| Industry | brewery | 
| Founded | 1836 | 
| Headquarters | , | 
The Ytteborg Brewery (Ytteborg Bryggeri in Norwegian) was a brewery in Christiania (present-day Oslo), Norway. It was founded in 1836 by Nils Jensen Ytteborg, a master tanner and Member of Parliament in Norway. The company underwent changes in name and ownership during its existence for more than a century. In 2011, Foss Bryggeri AS resumed operations, also headquartered in Oslo.