Giovanni Battista Maderni

{{short description|Italian-Swiss painter}}

Giovanni Battista Maderni (1758–1803) was an Italian-Swiss painter.

He was born in Verona to Pietro Maderni, a sculptor native to Codilago in the Ticino. Giovanni Battista studied in the Academy of Fine Arts of Florence. Returning to Verona, he painted a canvas of Fall of the Jews in Mantua for a local church.{{citation needed|date=July 2015}} He traveled to Paris, Berlin, London, Netherlands. He made a set of engravings on describing the art and architecture of the Teatro Tordinona in Rome.Descrizione delle Pitture, degl'ordini, Volta, e Sipario del Nuovo Teatro di Tordinona. He then moved to St Petersburg, and finally to Stockholm.[https://books.google.com/books?id=bx4VAAAAQAAJ Dizionario storico raggionato degli uomini illustri del canton Ticino], by Gian Alfonso Oldelli (1807)