William Parsons may refer to:
- William Parsons (composer and copyist) (fl.1545–1563), English Renaissance composer and copyist from Wells
- William Parsons (composer and musician) (1745/6–1817), Master of the King's Music
- William Parsons (poet) (died 1828), English writer associated with the Della Cruscan movement
- William Barclay Parsons (1859–1932), American civil engineer
- William E. Parsons (1872–1939), American architect and city planner
- William Sterling Parsons (1901–1953), American naval officer and atomic bomb weaponeer aboard Enola Gay
- William W. Parsons (academic administrator) (1850–1925), president of Indiana State Normal School, later known as Ball State University
- William W. Parsons (NASA), former director of the NASA John F. Kennedy Space Center, & Space Shuttle Program manager
- William Henry Parsons (New York activist) (died 1935), headed the New York Society for the Suppression of Vice
- William Henry Parsons (colonel) (1826–1907), American newspaper editor, legislator, and Confederate colonel
- William Parsons (actor) (1736–1795), British actor and painter
- William Parsons (silent film actor) (1878–1919), American silent comedy film actor often credited as "Smiling Bill Parsons"
- Bill Parsons (born 1948), baseball player
- Sir William Parsons, 1st Baronet of Langley (c.1636–c.1662), of the Parsons baronets
- Sir William Parsons, 1st Baronet of Bellamont (died 1650), Surveyor General of Ireland and Member of Parliament
- Sir William Parsons, 2nd Baronet of Bellamont (died 1658), Earl of Rosse
- Sir William Parsons, 2nd Baronet of Birr Castle (died 1741), Earl of Rosse
- Sir William Parsons, 4th Baronet of Birr Castle (1731–1791), Irish politician
- William Parsons, 3rd Earl of Rosse (1800–1867), Lord Rosse, Irish astronomer
- William Parsons, 5th Earl of Rosse (1873–1918), Irish peer and British Army officer
- William Parsons, 7th Earl of Rosse (born 1936), worked for the United Nations
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: