Directory
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- Opactwo sw. Wojciecha Poland Abbey Bénédictins
- Opactwo Trojcy Przenajswietszej Poland Abbey Bénédictins
- Opactwo Wniebowziecia Najswietszej Marii Panny Poland Abbey Bénédictins
- Opatstvi P. Marie a sv. Jeronyma (Emauzy) Prague · Czechia Abbey Monks Bénédictins
- Orval Abbey Florenville · Luxembourg Monks Trappistes
- Osage Monastery Tulsa, OK Priory Sisters Bénédictins
- OSB Farm India House Bénédictins
- Oseira Spain Abbey Monks Trappistes
- Priory of Our Lady Aparecida and Saint Norbert of Montes Claros Brazil Canons regular Prémontrés
- Our Lady Help of Christians Chester · United Kingdom Abbey Nuns Bénédictins
- Our Lady Medianeira Monastery Brazil Canons regular Prémontrés
- Our Lady Medianeira Monastery Brazil Canons regular Prémontrés
- Abbey of Our Lady of Clear Creek Monks Bénédictins
- Our Lady of Divene Providence Monastery Philippines House Bénédictins
- Our Lady of Good Counsel Convent Philippines House Bénédictins
- Our Lady of Grace Monastery Priory Sisters Bénédictins
- Our Lady of Guadalupe Abbey Monks Bénédictins
- Our Lady of Light India House Bénédictins
- Monastery of Our Lady of Montserrat Manila · Philippines Abbey Monks Bénédictins
- Monastery of Our Lady of Mount Grace Middlesbrough · United Kingdom Priory Monks Bénédictins