Giovanni Lorenzo Bertolotti (1640–1721) was an Italian painter of the Baroque period, active in Genoa.
Bertolotti specialized in paintings having scenes of a mythological, historical or religious nature as subjects.
Bertolotti contributed paintings to the Oratory of San Giacomo della Marina and the Basilica della Santissima Annunziata.
He painted a Visitation of the Virgin to Saint Elizabeth for the church of La Visitazione.
This article about an Italian painter born in the 18th century is a stub.