William Still
William Still is the name of the following people:
- William Still (cricketer) ( William Cathcart Still ; 1820-1910), Australian cricketer
- William Still (civil rights activist) (1819 / 1821–1902), American businessman, historian and civil rights activist
- William Grant Still (1895–1978), American composer
- William Joseph Still (1870– ??), British engineer and inventor