Denis Delaney may refer to:
Dinny Delaney (1841–1919), blind Irish piper Denis W. Delaney (1896–1968), American government official, civic leader, and entertainer Peter Green (historian) (1924–2024), English classical scholar and novelist, wrote Cat in Gloves under the pseudonym Denis Delaney
See also Dennis Delaney (born 1953), American writer and actor