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- Gembloux Abbey (Abbaye Saint-Pierre et Exupère de Gembloux) at Gembloux (Namur): Benedictine monks
- Geraardsbergen Abbey (Abdij van Geraardsbergen), previously at Dikkelvenne, at Geraardsbergen (East Flanders): Benedictine monks
- Ghent, East Flanders:
- St. Bavo's Abbey, Ghent (Abdij-Sint-Baw van Gent): Benedictine monks
- English Ladies (Abbaye des Dames anglaises), Ghent: English Benedictine nuns in exile
- Abbaye Saint-Pierre-du-Mont-Blandin, Ghent: Benedictine monks
- Abbaye Notre-Dame du Rijke Gasthuis, Ghent: Benedictine nuns
- Ghislenghien Abbey (Abbaye du Val des Vierges de Ghislenghien) at Ghislenghien (Hainaut): Benedictine nuns
- Gistel Abbey (Abbaye Sainte-Godelieve de Gistel or Abdij Ten Putte) (extant) at Gistel (West Flanders): Benedictine nuns
- Grand-Bigard Abbey (Abbaye Sainte-Wivine du Grand-Bigard) at Grand-Bigard, Dilbeek: Benedictine nuns
- Grandpré Abbey (Abbaye de Grandpré) at Gesves (Namur): Cistercian monks
- Grimbergen Abbey (Abdij van Grimbergen) at Grimbergen (Flemish Brabant): Premonstratensians
- Groeninge Abbey (Abdij van Groeninge) at Kortrijk (West Flanders): Cistercian nuns
Read more about this topic: List Of Christian Religious Houses In Belgium