Giacomo Triga (1674 - 1746) was an Italian painter, active in Rome, as a painter of religious subjects. He served for a time as court painter to the Marquis Gerolamo Theodoli.
[[Image:Giacomo Triga San Benito destruye el ídolo de Apolo Abadía de Montserrat.jpg|thumb|St Benedict destroys the idol of Apollo]]
Life
Giacomo Triga was born in Rome into a family of Marche origins. His father was a bricklayer. Triga trained under Benedetto Luti. He subsequently became court painter for the Marquis Gerolamo Theodoli. The young Pietro Bianchi served as his apprentice.
In 1715 he received a papal commission to paint the Meeting of Saints Ignatius and Polycarp for San Clemente al Laterano. In 1726 he painted the Martyrdom of Saint Paul for Santi Giovanni e Paolo al Celio.
He painted a fresco depicting the Glory of San Nicola'' for the church of San Nicola ai Prefetti in Rome. The work was commissioned circa 1729-1730 by his patron, the Marquis Gerolamo Theodoli.
The Marquis refurbished the family chapel at Santa Maria del Popolo The paintings were restored and refreshed by Triga.
He was a member of the Accademia di San Luca and the congregation of the Virtuosi del Pantheon. Triga died in Rome in 1746.