| Steilerhorn | |
| Elevation M: | 2980 |
| Prominence M: | 218 |
| Parent Peak: | Alperschällihorn |
| Prominence Ref: | [1] |
| Map: | Switzerland |
| Location: | Graubünden, Switzerland |
| Range: | Lepontine Alps |
| Coordinates: | 46.5839°N 9.3161°W |
The Steilerhorn is a mountain of the Swiss Lepontine Alps, located north of Splügen in the canton of Graubünden. It lies between the valleys of the Stutzbach and the Steilerbach, south of the Alperschällihorn.