| Østerdal Billag as | |
| Type: | Subsidiary |
| Foundation: | 1973 |
| Location: | Tynset, Norway |
| Area Served: | Innlandet, Norway |
| Industry: | Transport |
| Products: | Bus operation |
| Parent: | Gauldal Billag |
| Homepage: | www.osterdalbillag.no |
Østerdal Billag is a Norwegian bus operator operating in Østerdalen in Innlandet. The company also operates in cooperates with Gauldal Billag on a NOR-WAY express bus between Trondheim and Oslo. The company has its headquarters in Tynset. The company was founded in 1973 as a merger between 23 local bus companies and is owned by Gauldal Billag.[1]