| Cataldo Parisio | |
| Birth Date: | 1455 |
| Birth Place: | Palermo or Sciacca, Kingdom of Sicily |
| Death Place: | Lisbon, Kingdom of Portugal |
| Nationality: | Sicilian |
| Other Names: | Cataldo Siculo |
| Occupation: | humanist, writer, diplomat |
| Known For: | Pioneer of the Humanism in Portugal |
Giovanni Cataldo Parisio, commonly known as Cataldo Parisio or Cataldo Siculo, (c. 1455 in Palermo or Sciacca – 1517 in Lisbon) was a Sicilian humanist, writer and diplomat. He introduced the humanist culture in Portugal and became the secretary of king John II of Portugal.