Ludwig Gruber
Ludwig Gruber is the name of the following people:
- Ludwig Gruber , pseudonym of Ludwig Anzengruber (1839–1889), Austrian writer
- Ludwig Gruber (composer) (1874–1964), Austrian composer, singer, writer and conductor
- Ludwig Gruber (painter) (1889–1967), Austrian painter and graphic artist
- Ludwig Gruber (poet) (1922–2005), German Gstanzl singer and dialect poet