William Sidney (disambiguation)
William Sidney (1909–1991), was the Governor-General of Australia.
William Sidney may refer to:
- Sir William Sidney (1482?–1554), English courtier under Henry VIII and Edward VI
- William Sidney, 5th Baron De L'Isle and Dudley, in Chelsea by-election, 1944
See also
- All pages with titles containing "William Sidney"
- All pages with titles containing "William Sydney"