William Porter
William Porter is the name of the following people:
- William Porter (track and field athlete) (1926-2000), American track and field athlete
- William A. Porter (* 1928), American entrepreneur, founder of E-Trade
- William Archer Porter (1825–1890), British lawyer
- William D. Porter (1808–1864), American naval officer
- William Dennison Porter (1810-1883), American politician
- William Field Porter (1784-1869), New Zealand politician
- William J. Porter (1914–1988), American diplomat
- William Sydney Porter alias O. Henry (1862–1910), American writer
- William T. Porter (1809-1858), American writer, journalist and newspaper editor
See also:
- USS William D. Porter (DD-579) , US Navy destroyer
