| Name | Walloomsac |
| Alt names | Walloomsack | source: USGS, GNIS Digital Gazetteer (1994) GNIS36031020 |
| Wallumshack | source: USGS, GNIS Digital Gazetteer (1994) GNIS36031020 |
| Type | Inhabited place |
| Coordinates | 42.917°N 73.317°W |
| Located in | Rensselaer, New York, United States |