| Official Name: | Millgrove, New York |
| Settlement Type: | hamlet |
| Pushpin Map: | New York#USA |
| Pushpin Label: | Millgrove |
| Pushpin Map Caption: | Location in New York |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Erie |
| Subdivision Type3: | Town |
| Subdivision Name3: | Alden |
| Population As Of: | 2000 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 778 |
| Coordinates: | 42.9436°N -78.5528°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 14001 |
| Area Code: | 716 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 957339 |
Millgrove is a hamlet in the town of Alden in Erie County, New York, United States.