| Glen Brook | |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Mouth: | Keuka Lake |
| Mouth Location: | Hammondsport, New York, United States |
| Mouth Coordinates: | 42.4111°N -77.2172°W |
| Basin Size: | 5.42sqmi |
Glen Brook is a river located in Steuben County, New York. It flows into Keuka Lake by Hammondsport, New York.[1]