Pier Simone Fanelli (29 December 1641 - 1703) was an Italian painter active in the Region of the Marche, active in a Baroque style.
He was born in Ancona and died in Cingoli.
In Macerata he worked with Giovanni Domenico Ferracuti, a landscape painter.
He also worked with Paolo Marini, to decorate the church of San Filippo Neri in Cingoli.
This article about an Italian painter born in the 17th century is a stub.