| En Name: | Gornostayevka |
| Ru Name: | Горностаевка |
| Coordinates: | 51.6547°N 35.0144°W |
| Map Label Position: | right |
| Federal Subject: | Kursk Oblast |
| Adm District Jur: | Lgovsky District |
| Adm Selsoviet Type: | Selsoviet |
| Adm Selsoviet Jur: | Gustomoysky |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Village |
| Mun Data As Of: | December 2014 |
| Mun District Jur: | Lgovsky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Gustomoysky Selsoviet Rural Settlement |
| Pop 2010Census: | 13 |
| Established Title: | First mentioned |
| Postal Codes: | 307721 |
| Postal Codes Ref: | [2] |
| Dialing Codes: | 47140 |
| Website: | http://gustomoy.rkursk.ru |
| Date: | October 2021 |
Gornostayevka (ru|links=no|Горностаевка) is a rural locality in Gustomoysky Selsoviet Rural Settlement, Lgovsky District, Kursk Oblast, Russia. Population:
The village is located on the Gustomoy River in the basin of the Seym, 41 km from the Russia–Ukraine border, 82 km south-west of Kursk, 16 km west of the district centre, Lgov and 3.5 km from the selsoviet centre, Gustomoy.[3]
Gornostayevka is located 4 km from the road of regional importance (Kursk – Lgov – Rylsk – border with Ukraine) as part of the European route E38, 1.5 km from the road of intermunicipal significance (38K-017 – Zeleninsky)[4] and 11 km from the nearest railway station 387 km[5] (railway line 322 km – Lgov I).
The rural locality is situated 88 km from Kursk Vostochny Airport, 156 km from Belgorod International Airport and 292 km from Voronezh Peter the Great Airport.