| Official Name: | Glen Spey, New York |
| Settlement Type: | Hamlet |
| Pushpin Map: | New York |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Sullivan |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 1283 |
| Coordinates: | 41.4786°N -74.8136°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 12737 |
| Area Code: | 845 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 951194 |
Glen Spey is a hamlet in the town of Lumberland, Sullivan County, New York, United States. Its ZIP code is 12737.[1] The town's name is in reference to the spring-filled ravines, or glens, that characterize the Delaware River tributaries in the area. There are waterfalls and shady Hemlock (Tsuga canadensis) forests typical to the steep river valley terrain and many natural springs occur in the area.