Pedro da Fonseca (Proença-a-Nova, 1528 – Lisbon, 4 November 1599) was a Portuguese Jesuit philosopher and theologian. His work on logic and metaphysics made him known in his time as the Portuguese Aristotle; he projected the 'Cursus Conimbricenses' realized by Manuel Góis and others.
- Institutionum Dialecticarum. Lisbon: 1564.
- Commentariorum in Libros Metaphysicorum Aristotelis. Rome: 1577.
- Isagoge Philosophica. Lisbon: 1591.
- Pedro da Fonseca’s Isagoge Philosophica and the Predicables from Boethius to the Lovanienses João Madeira
- The Birth of Ontology. A selection of Ontologists from 1560 to 1770
- Page on Instituto Camões (pt)
- This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "Pedro da Fonseca". Catholic Encyclopedia. New York: Robert Appleton Company.
- (in French) Scholasticon, by Jacob Schmutz