| Official Name: | Lake Lorelei, Ohio |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Ohio |
| Pushpin Label: | Lake Lorelei |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Brown |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 6.35 |
| Area Land Km2: | 5.70 |
| Area Water Km2: | 0.65 |
| Area Total Sq Mi: | 2.45 |
| Area Land Sq Mi: | 2.20 |
| Area Water Sq Mi: | 0.25 |
| Population As Of: | 2020 |
| Population Total: | 1172 |
| Population Density Km2: | 205.56 |
| Population Density Sq Mi: | 532.49 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 942 |
| Coordinates: | 39.1875°N -83.9714°W |
| Postal Code Type: | ZIP code |
| Area Code: | 513 |
| Blank Name: | FIPS code |
| Blank Info: | 39-41419[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2628918 |
Lake Lorelei is a gated community and census-designated place in Brown County, Ohio, United States, near the village of Fayetteville.[3] As of the 2020 census, it had a population of 1,172.[4]
Lake Lorelei was started in the late 1960s by property developers as a lakeside planned community.[5]
Lake Lorelei is located in northern Brown County, in the western part of Perry Township. It consists of a housing development built around Lake Lorelei, a reservoir on Glady Run, a tributary of the East Fork of the Little Miami River.
State Route 131 forms the southern border of the CDP, and U.S. Route 50 touches the community's southeast corner. Lake Lorelei is 3miles west of the village of Fayetteville and east of downtown Cincinnati.