Henry Denny (1803–1871) was an English museum curator and entomologist.
Henry Denny may refer also to:
- Sir Henry Denny, 7th Baronet (1878–1953), of the Denny baronets
- Henry Denny (MP), MP for St Germans
- Henry Denny (rugby league) in 1933–34 Kangaroo tour of Great Britain
See also
edit- Henry Denny Denson (1715–1780), Irish-born soldier and political figure in Nova Scotia