| Official Name: | Lake Lynn, Pennsylvania |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Lake Lynn |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Fayette |
| Subdivision Type3: | Township |
| Subdivision Name3: | Springhill |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 988 |
| Coordinates: | 39.7281°N -79.8606°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 15451 |
| Area Code: | 724 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1178785 |
Lake Lynn is an unincorporated community in Fayette County, Pennsylvania, United States. Lake Lynn is located on the Cheat River, 2miles east-southeast of Point Marion. Lake Lynn had a post office with ZIP code 15451.[1]