- abbotThe superior or head of an abbey or monastery.
- abbessA female superior or governess of a nunnery, or convent of nuns, having the same authority over the nuns which the abbots have over the monks.
- abbéA low-ranking member of the Roman Catholic clergy in France who is not a member of a religious order, is not a priest, and can marry and inherit property; an honorific title for such a clergymember.
- abthaneA title used in medieval Scotland.
- Cerne AbbasA village and civil parish (served by Cerne Valley Parish Council) in Dorset, England, previously in West Dorset district (OS grid ref ST6601).
- Milton AbbasA village and civil parish in mid Dorset, England (OS grid ref ST8001).