| En Name: | Sergeyevka |
| Ru Name: | Сергеевка |
| Coordinates: | 51.7008°N 35.1956°W |
| Map Label Position: | right |
| Federal Subject: | Kursk Oblast |
| Adm District Jur: | Lgovsky District |
| Adm Selsoviet Type: | Selsoviet |
| Adm Selsoviet Jur: | Kudintsevky |
| 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: | Kudintsevky Selsoviet Rural Settlement |
| Pop 2010Census: | 274 |
| Established Title: | First mentioned |
| Postal Codes: | 307731 |
| Postal Codes Ref: | [2] |
| Dialing Codes: | 47140 |
| Website: | https://kudincevo.ru |
| Date: | October 2021 |
Sergeyevka (Russian: links=no|Сергеевка) is a rural locality in Kudintsevky Selsoviet Rural Settlement, Lgovsky District, Kursk Oblast, Russia. Population:
The village is located on the Seym River, 52 km from the Russia–Ukraine border, 69 km west of Kursk, 6.5 km north-west of the district center – the town Lgov, 2 km from the selsoviet center – Kudintsevo.[3]
Sergeyevka is located 40 km from the road of regional importance (Fatezh – Dmitriyev), 16 km from the road (Konyshyovka – Zhigayevo – 38K-038), 5.5 km from the road (Lgov – Konyshyovka), 6.5 km from the road (Kursk – Lgov – Rylsk – border with Ukraine), on the road of intermunicipal significance (Lgov – Kudintsevo),[4] 3.5 km from the nearest railway station Sherekino[5] (railway line Navlya – Lgov-Kiyevsky).
The rural locality is situated 75 km from Kursk Vostochny Airport, 151 km from Belgorod International Airport and 278 km from Voronezh Peter the Great Airport.