- French commune.name
- Saint-Jean-Brévelay
- French commune.native name
- Sant-Yann-Brevele
- French commune.commune status
- Commune
- French commune.image
- Saint Jean Brevelay - Eglise 3.jpg
- French commune.caption
- The Church of Saint-Jean-Brévelay
- French commune.image coat of arms
- Blason ville fr Saint-Jean-Brévelay (Morbihan).svg
- French commune.INSEE
- 56222
- French commune.postal code
- 56660
- French commune.arrondissement
- Pontivy
- French commune.canton
- Moréac
- French commune.mayor
- Guénaël Robin
- French commune.term
- 2020–2026
- French commune.intercommunality
- Centre Morbihan Communauté
- French commune.elevation min m
- 42
- French commune.elevation max m
- 164
- French commune.area km2
- 41.83
