Anton Marussig was an Austrian landscape, portrait, figure and genre painter and illustrator.

Anton Marussig, the son of a magistrate, was a pupil at the Academy of Landscape Drawing in Graz under Hermann von Königsbrunn. In Munich he studied at the Academy of Fine Arts under Gabriel von Hackl, Wilhelm von Lindenschmit and Alexander von Liezen-Mayer. At the 1904 annual exhibition of the Styrian Association of Fine Artists in Graz, he was awarded the State Prize for Styrian Artists. In 1906 he received the Silver Medal of the City of Graz. From 1907, he was a teacher at the Technical College and the Graz Art School. Marussig was also active as an industrial painter. In 1912 he was awarded the Golden State Medal. In 1913 he became a member of the Austrian Artists' Association. Anton Marussig exhibited in Graz, the Vienna Künstlerhaus, the Austrian Artists' Association, the Munich Kunstverein, the Rudolfinum in Prague and in London. He worked as a war painter during the First World War.