William Parker
William Parker is the name of:
- William Parker (pirate) († 1617), British pirate
- William Parker, 4th Baron Monteagle ( 1575-1622 ), British politician
- William Parker, 1st Baronet, of Harburn ( 1743-1802 ), British Admiral
- William Parker ( admiral ) ( 1781-1866 ), British Admiral
- William Parker ( physician) ( 1804-1888 ), American physician
- William Parker ( abolitionist ) ( about 1822 -? ), American abolitionist
- William Parker (musician ) ( born 1952 ), American jazz bassist
- William H. Parker (1847-1908), American politician
- William Kitchen Parker (1823-1890), British naturalist
- Disambiguation