| Slettmarkpiggen | |
| Map: | Innlandet#Norway |
| Map Alt: | Map of the location |
| Label Position: | bottom |
| Coordinates: | 61.3976°N 8.4661°W[1] |
| Location: | Innlandet, Norway |
| Elevation M: | 2163 |
| Prominence M: | 138 |
| Isolation Km: | 0.671 |
| Elevation Ref: | [2] |
| Range: | Jotunheimen |
| Parent Peak: | Slettmarkhøe |
Slettmarkpiggen is a mountain on the border of Vang Municipality and Lom Municipality in Innlandet county, Norway. The 2163m (7,096feet) tall mountain is located in the Jotunheimen mountains within Jotunheimen National Park. The mountain sits about northeast of the village of Øvre Årdal and about northwest of the village of Beitostølen. The mountain is surrounded by several other notable mountains including Store Svartdalspiggen to the northeast; Mesmogtinden, Langedalstinden, Kvitskardtinden, and Torfinnstindene to the east; Galdeberget and Oksedalshøi to the southwest; Slettmarkkampen to the west; Snøholstinden and Store Rauddalseggi to the northwest; and Storådalshøi to the north.