| Mount Nancy | |
| Elevation Ft: | 3926 |
| Elevation Ref: | [1] |
| Prominence Ft: | 1006 |
| Listing: | 74 New England 100 Highest |
| Location: | Grafton County, New Hampshire |
| Range: | Nancy Range |
| Map: | USA New Hampshire |
| Coordinates: | 44.1226°N -71.4048°W |
| Coordinates Ref: | [2] |
| Topo: | USGS Mount Carrigain |
| Easiest Route: | no official trail |
Mount Nancy, formerly Mount Amorisgelu, is a mountain located in Grafton County, New Hampshire, on the eastern boundary of the Pemigewasset Wilderness of the White Mountains. The mountain is the highest point and namesake of the Nancy Range. Mt. Nancy is flanked to the northeast by Mount Bemis, to the southwest by Mount Anderson, and to the southeast by Duck Pond Mountain. Although Mount Nancy is officially trailless, a visible path climbs to the summit from Norcross Pond. With a summit elevation of, it is one of the New England Hundred Highest peaks.
The southwest face of Mount Nancy drains into Norcross Brook, thence into the East Branch of the Pemigewasset River, the Merrimack River, and into the Gulf of Maine at Newburyport, Massachusetts. The northwest side of Mt. Nancy drains into Anderson Brook, and thence into Norcross Brook. The northeast and southeast sides of Mt. Nancy drain into Nancy Brook, thence into the Saco River, and into the Gulf of Maine at Saco, Maine.