| Lenoir Rock | |
| Map: | Antarctica#South Shetland Islands |
| Map Relief: | yes |
| Location: | Antarctica |
| Coordinates: | -62.9483°N -62.5511°W |
| Archipelago: | South Shetland Islands |
| Area Ha: | 1.29 |
| Length M: | 230 |
| Width M: | 85 |
| Population: | uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty |
Lenoir Rock (Bulgarian: скала Леноар|skala Lenoir, in Bulgarian pronounced as /skɐˈla lɛnoˈɐr/) is the rock off the NW coast of Smith Island in the South Shetland Islands, Antarctica 230 m long in southwest-northeast direction and 85 m wide with a surface area of 1.29 ha. The vicinity was visited by early 19th century sealers.[1]
The feature is named after Étienne Lenoir (1744-1832), a Belgian-French scientific instrument maker and inventor of the repeating circle; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.
Lenoir Rock is located at -62.9483°N -62.5511°W,[2] which is 380 m southwest of Jireček Point and 1.85 km northeast of Villagra Point. Bulgarian mapping in 2009 and 2017.