Giovanni Colonna
Giovanni Colonna or John Colonna may refer to:
- Giovanni Colonna , cardinal of the Roman Catholic Church
- Giovanni Colonna , archbishop of Messina, nephew of the cardinal
- Giovanni Colonna , Dominican and writer, friend of Petrarch
- Giovanni Colonna , Roman Catholic cardinal
- Giovanni Colonna , Roman Catholic cardinal
- Giovanni Paolo Colonna, Italian musician and composer
- Giovanni Colonna , Italian scholar of ancient Italy
- John Colonna, Puerto Rican child who disappeared along with his sister Gianinna