Unum is an American insurance company.
Unum may also refer to:
- Unum (number format), a suggested replacement for the IEEE floating point format
- Unum ex Quator or simply Unum, a 12th-century text by Clement of Llanthony
See also
edit- Unam sanctam, a 1302 papal bull
- E pluribus unum (disambiguation) (Latin: Out of Many, One)