Sigismondo Betti (January 25, 1700 in Florence – after 1783 in Florence) was an Italian painter.
Betti worked mostly in Genoa and in Liguria.
He was a pupil of Antonio Puglieschi and a fresco painter Matteo Bonechi.
He initially painted in Tuscany, but moved to Genoa in 1737, and a decade later to Varallo.
This article about an Italian painter born in the 18th century is a stub.