William Parker may refer to:
Entertainment
edit- William Parker (musician) (born 1952), American jazz double bassist
- William Parker (screenwriter) (1886–1941), American screenwriter
- William Parker (Private Practice), character in the series TV Private Practice
- William Atticus Parker, (born 2004), American filmmaker and actor
Military
edit- William Parker, 9th baron Morley (died 1510), Privy counsellor and standard-bearer to King Richard III.
- William Parker (privateer) (died 1617), English captain and privateer, and also mayor of Plymouth.
- Sir William Parker, 1st Baronet, of Harburn (1743–1802), British admiral
- Sir William Parker, 1st Baronet, of Shenstone (1781–1866), British admiral
- William Harwar Parker (1826–1896), United States Navy officer
- William Parker (Medal of Honor) (1832–?), American Civil War sailor and Medal of Honor recipient
- William Albert Parker, American Civil War Union Navy commander of James River forces
Politicians
edit- William Parker (died 1403), Member of Parliament (MP) for City of London
- William Parker (died 1421), MP for Hertfordshire
- William Parker (fl.1410), MP for Great Yarmouth
- William Parker, 4th Baron Monteagle (1575–1622), English politician
- William H. Parker (politician) (1847–1908), US Representative from South Dakota
- William Parker (Boston) (1793–1873), businessman and politician in the United States
- William Parker (MP) (1802–1892), British Member of Parliament for West Suffolk, 1859–1880
- William Parker (Oregon politician), member of the Oregon Territorial Legislature, 1850
- William T. Parker (1928–2014), member of the Virginia Senate and House of Delegates
Religion
edit- William Parker (priest) (died 1631), rose to Archdeacon in two diocese
- William Parker (priest, died 1802) (c.1749–1802), Anglican controversialist
- William Parker (bishop) (1897–1982), Bishop of Shrewsbury in the Church of England
Sports
edit- Willie Parker (defensive tackle) (born 1945), former American football defensive tackle
- Willie Parker (offensive lineman) (born 1948), former American football center
- Willie Parker (born 1980), American football running back
- William Parker (Oxford University cricketer) (1832–1873), English cricketer
- William Parker (New Zealand cricketer) (1862–1930), New Zealand cricketer
- William Parker (MCC cricketer) (1886–1915), English cricketer
- William Parker (bowls) (1892–1979), English bowls player
- Will Parker (1873–1955), rugby union player
- Sir William Parker, 3rd Baronet (1889–1971), British rower and Olympic medalist
- Smush Parker (born 1981), American basketball player
- Tony Parker (William Anthony Parker II, born 1982), French basketball player
Other people
edit- William Parker (early settler) (1618–1686), settler in the Connecticut colony
- William Parker (builder) (1800–1854), St. John's, Newfoundland builder
- William Parker (abolitionist) (1821–1891), anti-slavery activist and freedom fighter
- William Parker (glassmaker) (?–1817), American glassmaker and inventor
- William Kitchen Parker (1823–1890), British physician and comparative anatomist
- William Parker (master) (1870–1953), Australian barrister in New South Wales
- William Belmont Parker (1871–1934), United States editor
- William H. Parker (physicist) (1941–), American physicist
- William H. Parker (police officer) (1905–1966), Chief of the Los Angeles Police Department