''Decretum'' may refer to:
* ''
Decretum Gratiani
The ''Decretum Gratiani'', also known as the ''Concordia discordantium canonum'' or ''Concordantia discordantium canonum'' or simply as the ''Decretum'', is a collection of canon law compiled and written in the 12th century as a legal textbook b ...
'', a collection of Roman Catholic canon law compiled in the 12th century by a jurist named Gratian
* ''
Decretum Gelasianum
The Gelasian Decree ( la, Decretum Gelasianum) is a Latin text traditionally thought to be a Decretal of the prolific Pope Gelasius I, bishop of Rome from 492–496. The work reached its final form in a five-chapter text written by an anonymous ...
'', an ecclesiastical text traditionally attributed to Pope Gelasius I, which contains a list of works adjudged apocryphal
* ''Decretum de Iudaeis'', a series of draft documents of the Second Vatican Council, ultimately released as ''
Nostra aetate
(from Latin: "In our time") is the incipit of the Declaration on the Relation of the Church with Non-Christian Religions of the Second Vatican Council. Passed by a vote of 2,221 to 88 of the assembled bishops, this declaration was promulgated ...
''
* ''Decretum'' of
Burchard of Worms, a collection of canon law compiled in the early 11th century
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