Roma Ostiense is a railway station in Piazza dei Partigiani serving the Ostiense district of Rome, Italy, a short distance from the Porta San Paolo. It is run by the Centostazioni arm of the Ferrovie dello Stato group and the urban rail lines FR1, FR3, and FR5 run through the station. It is linked with the Piramide Metro B station and the Roma Porta San Paolo station on the Rome-Lido railway line.