Cum primum
Cum primum may refer to:
- Cum primum, an apostolic constitution promulgated in 1566 by Pope Pius V.
 - Cum Primum, an encyclical promulgated in 1759 by Pope Clement XIII.
 - Cum primum, an encyclical promulgated in 1832 by Pope Gregory XVI.
 
Cum primum may refer to: