| Hinteres Fiescherhorn | |
| Native Name Lang: | de |
| Translation: | Horn of Fiesch in the back |
| Language: | German |
| Elevation M: | 4025 |
| Prominence M: | 102 |
| Prominence Ref: | [1] |
| Parent Peak: | Grosses Fiescherhorn |
| Map: | Switzerland |
| Region Type: | Canton |
| Country: | Switzerland |
| Range: | Bernese Alps |
| Coordinates: | 46.5464°N 8.0678°W |
| Topo: | swisstopo |
| Type: | glaciated peak |
Hinteres Fiescherhorn is a summit of the Bernese Alps and build together with Grosses and Kleines Fiescherhorn the Fiescherhörner. It is located in the Swiss canton of Valais near the border with the canton of Berne. The southern rock-tower pt 3981abbr=onNaNabbr=on is a prominent sub-peak.