Semyonov () is the name of several inhabited localities in Russia.
Urban localities Semyonov, Nizhny Novgorod Oblast, a town in Nizhny Novgorod Oblast
Rural localities Semyonov, Krasnodar Krai, a khutor in Bratsky Rural Okrug of Ust-Labinsky District of Krasnodar Krai Semyonov, Koverninsky District, Nizhny Novgorod Oblast, a pochinok in Bolshemostovsky Selsoviet of Koverninsky District of Nizhny Novgorod Oblast Semyonov, Volgograd Oblast, a khutor in Tormosinovsky Selsoviet of Chernyshkovsky District of Volgograd Oblast Semyonov, Voronezh Oblast, a khutor in Skupopotudanskoye Rural Settlement of Nizhnedevitsky District of Voronezh Oblast