William Macdonald

William Macdonald or MacDonald or McDonald may refer to:

• William McDonald (Canadian politician) (1837–1916), from Nova Scotia
• William Alexander Macdonald (1860–1946), Canadian politician; from Manitoba
• William Archibald Macdonald (1841–1911), Irish nationalist politician and MP
• William C. McDonald (governor) (1858–1918), American politician; Governor of New Mexico
• William Chisholm Macdonald (1890–1946), Liberal Party member of the Canadian House of Commons
• William MacDonald (New Zealand politician) (1862–1920), cabinet minister and briefly Leader of the Opposition
• William H. McDonald (1899-1967), American politician; Texas Land Commissioner
• William John Macdonald (1832–1916), Canadian merchant and politician
• William Josiah MacDonald (1873–1946), American politician; from Michigan
• William Madison McDonald (1866–1950), African-American politician and businessman
• William Ross Macdonald (1891–1976), Canadian lawyer and statesman; from Ontario
• William Walter McDonald (1844–1929), Canadian politician; from the Northwest Territories
• William McDonald (Australian politician) (1911–1995), Speaker of the Victorian Legislative Assembly

• William MacDonald (Christian author) (1917–2007), American Plymouth Brethren scholar and theologian; former President of Emmaus Bible College
• William Macdonald (historian) (1863–1938), American journalist and historian
• William Andrew McDonald (1913–2000), American archaeologist
• William Bell Macdonald (1807–1862), Scottish linguist

• William Macdonald (priest) (1783–1862), British; Archdeacon of Wilts
• William Joseph McDonald (1904–1989), Irish-born bishop of the Catholic Church in the United States

• William MacDonald (RAF officer) (1908–1984), British air marshal
• William MacDonald (serial killer) (1924–2015), Australian serial murderer
• William Christopher Macdonald (1831–1917), Canadian tobacco manufacturer and philanthropist
• William Colt MacDonald (1891–1968), American writer of Westerns
• William J. MacDonald (producer) (born 20th century), American film and television producer
• William Johnson McDonald (1844–1926), American banker; endowed an astronomical observatory
• William Myron MacDonald (1890–1958), American-born Canadian flying ace
• William Sutherland Macdonald (1897–1990), Scottish physician; principal medical officer at the Ministry of Health
• William W. McDonald (born 20th century), American rancher and conservationist
• William Macdonald (jockey) (1800–1856), British; winner of the 1840 Epsom Derby