| Gråsteinsnosi | |
| Elevation M: | 1468 |
| Prominence M: | 150 |
| Range: | Setesdalsheiene |
| Location: | Agder and Telemark, Norway |
| Map: | Agder#Telemark#Norway |
| Map Alt: | Map of the location |
| Label: | Gråsteinsnosi |
| Label Position: | bottom |
| Coordinates: | 59.5241°N 7.5364°W |
| Coordinates Ref: | [1] |
Gråsteinsnosi is a mountain on the border of Agder and Telemark counties in southern Norway. The 1468m (4,816feet) tall mountain has a prominence of, making it the 3rd highest mountain in Agder of all the mountains with a prominence of more than . Gråsteinsnosi is located on the border between the municipalities of Bykle (in Agder) and Tokke (in Telemark). The mountain sits about northwest of the mountain Brandsnutene and about southeast of the village of Hovden.