| Type: | Cardinal |
| Honorific Prefix: | His Eminence |
| Gennaro Portanova | |
| Archbishop of Reggio Calabria | |
| Church: | Roman Catholic Church |
| Archdiocese: | Reggio Calabria |
| See: | Reggio Calabria |
| Appointed: | 16 March 1888 |
| Term End: | 25 April 1908 |
| Predecessor: | Francesco Converti |
| Successor: | Rinaldo Camillo Rousset |
| Other Post: | Cardinal-Priest of San Clemente (1899–1908) |
| Ordination: | 22 May 1869 |
| Ordained By: | Sisto Riario Sforza |
| Consecration: | 12 August 1883 |
| Consecrated By: | Raffaele Monaco La Valletta |
| Cardinal: | 19 June 1899 |
| Created Cardinal By: | Pope Leo XIII |
| Rank: | Cardinal-Priest |
| Birth Name: | Gennaro Portanova |
| Birth Date: | 11 October 1845 |
| Birth Place: | Naples, Kingdom of the Two Sicilies |
| Death Place: | Reggio Calabria, Kingdom of Italy |
| Buried: | Reggio Calabria Cathedral |
Gennaro Portanova (born 11 October 1845 in Naples, Italy, died 25 April 1908 in Reggio Calabria) was a cardinal of the Catholic Church;[1] he was also a professor of theology at the Naples Seminary (1877-83), bishop of Ischia (1883-88), after the large earthquake there, and later archbishop of Reggio Calabria 1888-1908.
He was made a cardinal in 1899 by Pope Leo XIII.[2] During this time he was Protector of the Institute of the Daughters of Mary Immaculate. He took part in the 1903 conclave which elected Pope Pius X.[3]
Errors and delusions of Darwinism (1872)[4]