Ryen (pronunciation) is a neighborhood in the borough Nordstrand.

The area is served by the Ryen station of the Oslo Metro. The eastern depot of the rapid transit system, Ryen Depot, is located at Ryen. Until 1967, it was also served by Simensbråten of the Oslo Tramway. It has also increased in population over the years.

59°53′42″N 10°48′14″E / 59.895°N 10.804°E / 59.895; 10.804