G
- Galilee Priory (Kloster Galiläa) near Meschede: Dominican nuns 1484-1810
- Gehrden Abbey (Kloster Gehrden), Gehrden, Brakel: Benedictine nuns 1142-1810
- Geistingen Priory (Kloster Geistingen) in Geistingen, Hennef: Redemptorists 1903-1941; orphanage 1941-1946; educational purposes to 2006
- Gerleve Abbey (Abtei Gerleve), Billerbeck: Benedictine monks 1899-today
- Gerresheim Abbey (Stift Gerresheim), Gerresheim, Düsseldorf: secular canonesses 9th century – 1803
- Gertrudisstift, Ruppichteroth: Mission Sisters of the Precious Blood (Missionsschwestern vom Kostbaren Blut), also known as the Mariannhiller Sisters, 1916-today
- Geseke:
- Geseke Abbey or Priory (Frauenstift Geseke): secular canonesses 946-1823
- Franciscan friary, Geseke: Franciscan friars 1637-1834
- Gevelsberg Abbey (Kloster Gevelsberg), Gevelsberg: Cistercian nuns c1230 x 1236-c 1577; secular canonesses (Damenstift) c 1577-1812
- Glindfeld Priory (Augustinerinnenkloster Glindfeld), Medebach: Augustinian Canonesses 1298-1499; Canons Regular of the Holy Cross 1499-1804
- Goch Priory (Tertiarinnenkloster Goch), Goch: Franciscan Tertiaries (dates tbe)
- Graefenthal Abbey or Priory (Kloster Graefenthal), Kessel, Goch: Cistercian nuns 1248-1802
- Gräfrath Abbey (Kloster Gräfrath), Gräfrath, Solingen: Benedictine nuns, before 1209-1802
- Grafschaft Abbey (Kloster Grafschaft), Schmallenberg: Benedictine monks 1072-1804; Sisters of Mercy of Saint Charles Borromeo 1948-today
- Gravenhorst Abbey or Priory (Kloster Gravenhorst), Hörstel: Cistercian nuns 1256-1808
Read more about this topic: List Of Christian Religious Houses In North Rhine-Westphalia