Giuseppe Antonio Luchi, also known as il Diecimino, (July 17, 1709 – May 12, 1774) was an Italian painter.
He initially trained under a doctor Azzi of Castelnuovo, who was painting canvases for the Via Crucis of the local parish church.
In 1725, he went to work in Lucca, first under Giorgio Cristoforo Martini, called il Sassone, then under Domenico Brugieri until 1729 In that year, he moved to Bologna to work under Donato Creti.
In October 1751, he moved to Venice where he found the support of an inn owner, Angela Zangrandi, and the patronage of Alessandro Corner, which gained him access to the studio of Giovanni Battista Tiepolo.
Among his best works are Elijah's Dream and the Angel for the convent of San Giovannetto; a Conversion of St Paul for signor Giacomo Parensi; and a Martyrdom of St Bartholemew for the Oratory of the casa Trenta at Montramito.