Ignazio Stern (or Ignaz Stern) born in Mauerkirchen in Austria, was a Baroque painter who worked in Rome, dying there in 1748.

He was a pupil of Carlo Cignani in Bologna, and worked in Lombardy, then in Rome. He painted an Annunciation for the church of the Nunziata in Piacenza. In Rome, he frescoed the sacristy of S. Paolino, and left some oil pictures in the church of S. Elisabetta. He was the father of the painters Ludovico Stern and Veronica Stern.