Giacomo Colonna
Giacomo Colonna is the name of the following people:
- Giacomo Colonna (cardinal) (around 1250–1318), Italian nobleman and clergyman
- Giacomo Colonna (around 1270–1329), Italian nobleman, see Sciarra Colonna
- Giacomo Colonna (Bishop) (1300 / 1301–1341), Bishop of Lombez
