Ol’pen’ is a village in Stolin Raion, in Brest Region, Belarus. Ol’pen’ lies at 127 m above sea level. It has 400 inhabitants. The nearest city is Luninyets, 35 km to the northwest. Among the landmarks around are Davyd-Haradok Castle (5.1 km), Saint George Orthodox church in Davyd-Haradok (5.8 km) and Church of the Holy Mother of Kazan in Davyd-Haradok (5.0 km).

Also written Альпень.