William David Porter was a flag officer of the United States Navy. He was the son of Commodore David Porter (1780–1843) and brother of Admiral David Dixon Porter (1813–1891) as well as foster brother of Admiral David Farragut (1801–1870). His son, William David Porter, Jr. (1840–1902), served in the Confederate Navy.
- Occupation
- military officer
- Citizenship
- United States
- Born
- March 10, 1808
- Died
- May 1, 1864