Delius is a surname. Notable people with the surname include:
- Frederick Delius (1862–1934), English composer
- Friedrich Christian Delius (1943–2022), German writer
- Fritz Delius (1890–1966), German actor
- Ernst von Delius (1912–1937), German racing car driver
- Nicolaus Delius (1813–1888), German philologist
- Tobias Delius (born 1964), English jazz musician
Fictional characters:
- Max Delius, fictional character in the 1992 novel The Discovery of Heaven
See also
edit- Deliu, another surname