Robert Fuchs (15 February 1847 – 19 February 1927) was an Austrian composer and music teacher.

As Professor of music theory at the Vienna Conservatory, Fuchs taught many notable composers, while he was himself a highly regarded composer in his lifetime.
e was born in Frauental an der Laßnitz in Styria in 1847 as the youngest of thirteen children. He studied at the Vienna Conservatory with Felix Otto Dessoff and Joseph Hellmesberger among others. He eventually secured a teaching position there and was appointed Professor of music theory in 1875. He retained the position until 1912. He died in Vienna at the age of eighty.

He was the youngest brother of Johann Nepomuk Fuchs,[1] who was also a composer and an opera conductor.

Robert Fuchs taught many notable composers, including George Enescu, Gustav Mahler, Hugo Wolf, Jean Sibelius, Alexander von Zemlinsky, Erich Wolfgang Korngold, Franz Schmidt, Franz Schreker, Richard Heuberger, Robert Stolz, Leo Fall, Petar Krstić, Erkki Melartin, Leo Ascher and Richard Stöhr.