S
- Saarn Abbey (Kloster Saarn), Mülheim an der Ruhr: Cistercian nuns 1214-(date tbe); now Salesian Oblates
- St. Jöris' Abbey (Kloster St. Jöris), St. Jöris, Eschweiler, near Aachen: Cistercian nuns 1274-1802
- Scheda Abbey (Kloster Scheda), Wiehagen, Wickede: Premonstratensians 1243-1809
- Schwarzenbroich Priory (Kloster Schwarzenbroich), Langerwehe: Canons Regular of the Holy Cross 1340-1802
- Segenstal Abbey (Kloster Segenstal), Vlotho: Cistercian nuns, presumably about 1258-1430
- Seligenthal Priory (Kloster Seligenthal), Seligenthal, Siegburg: Franciscans 1231-1803
- Soest, see Paradiese Priory
- Steinfeld Abbey (Kloster Steinfeld), Kall: Premonstratensian Canons 1130-1802; Salvatorians 1923-today
- Steinhaus Abbey also known as Beyenburg Abbey (Kloster Steinhaus or Kloster Beyenburg), Beyenburg, Wuppertal: Canons Regular of the Holy Cross 1298-1804 and 1964-today
- Stiepel Priory (Kloster Stiepel), Stiepel, Bochum: Cistercian monks 1988-today
- Haus Maria im Venn, Venwegen, Stolberg: Christenserines (Christenserinnen, a congregation of Cellite Sisters) 1973-today (moved here from the motherhouse in Aachen)
- Störmede Priory, also known as Nazareth Priory (Augustinerinnenkloster Störmede, Kloster Nazareth or Annenkloster), Störmede, Geseke: Augustinian canonesses 1483-1804
Read more about this topic: List Of Christian Religious Houses In North Rhine-Westphalia