| Official Name: | Lake Delta, New York |
| Settlement Type: | Hamlet and CDP |
| Pushpin Map: | New York#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Oneida |
| Subdivision Type3: | Town |
| Subdivision Name3: | Lee |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 594[1] |
| Coordinates: | 43.2931°N -75.4722°W |
| Elevation M: | 181 |
| Postal Code Type: | ZIP code |
| Postal Code: | 13440 |
| Area Code: | 315 |
Lake Delta is a hamlet (and census-designated place)[2] located in the Town of Lee in Oneida County, New York, United States. The hamlet is named after, and located on, the western shore of the Delta Reservoir.
It is in the Rome City School District,[3] which operates Rome Free Academy.