Viktor Stauffer was an Austrian genre and portrait painter.

Viktor Stauffer studied philosophy at the University of Vienna, later switched to the Vienna Academy, where he became a student of Christian Griepenkerl. From 1880 Stauffer became a student of Hans Canon, whose sister Marianne he married in 1882. After Canon's death in 1885, Stauffer completed the lunettes in the Natural History Museum and the wings on the triptych for Count Wilczek at his castle in Kreuzenstein. In 1894 Stauffer also made a life-size portrait of Count Wilczek, which is now in the Army History Museum.

Furthermore, Stauffer painted a ceiling painting for the Grand Duke of Luxembourg, Wilhelm III in his residence in Luxembourg. In 1903 he was awarded the Great Golden State Medal and in 1917 the Commander's Cross of the Franz Joseph Order. Stauffer was a popular portrait painter among the Viennese court nobility and the upper middle class and received a correspondingly high number of commissions.