Curt Wittlin (13 April 1941 – 23 September 2019[1]) was a Swiss philologist and an expert of medieval Catalan language and literature.
Wittlin studied romance philology in Basel with Germà Colon, and later in Paris, Florence and Barcelona.
He got his PhD in 1965 with a thesis about the Catalan translation of Brunetto Latini's Treasure by Guillem de Copons.
He became a specialist in the edition of medieval translations in Europe of texts by Cicero, Saint Augustine and John of Wales, among others.
In 2000 he received the Creu de Sant Jordi (Saint George cross), a high distinction given by the regional Catalan government.