Giulio Bittner Spartiti Musicali
- Nato: 9th Aprile 1874
- Morto: 9th Gennaio 1939
- Luogo di nascita: Vienna, Austria
Julius Bittner was an Austrian composer. He received numerous awards and honors and became a member of the German Academy of Arts in Berlin in 1925. In 1964, the archive containing almost all of his works (autograph sketches, text books, scores and piano reductions) was taken over by the Vienna City Library.