William Macdonald
William Macdonald or MacDonald or McDonald may refer to:
Academics
- William MacDonald (Christian author), American Plymouth Brethren scholar and theologian; president of Emmaus Bible College
- William Macdonald (historian), American journalist and historian
- William Andrew McDonald, American archaeologist
- William Bell Macdonald, Scottish linguist
- William L. MacDonald, American historian of Roman architecture
Arts and entertainment
- Will McDonald (actor), Australian actor
- William Colt MacDonald, American writer of Westerns
- William H. MacDonald, American baritone and actor
- William J. Macdonald (filmmaker), American film and television producer
Law enforcement and military
- William MacDonald (RAF officer), British air marshal
- William Hixon McDonald (senior), Australian soldier-settler and gold miner
- William Jesse McDonald, Texas Ranger
- William Myron MacDonald, American-born Canadian flying ace
- William Rae Macdonald, Scottish officer of arms
Politicians
- William McDonald (Canadian politician), from Nova Scotia
- William McDonald (Ontario politician), from Ontario
- William McDonald (Australian politician), Speaker of the Victorian Legislative Assembly
- William MacDonald (New Zealand politician), cabinet minister and briefly Leader of the Opposition
- William Alexander Macdonald, Canadian politician; from Manitoba
- William Archibald Macdonald, Irish nationalist politician and MP
- William C. McDonald (governor), American politician; Governor of New Mexico
- William Chisholm Macdonald, Liberal Party member of the Canadian House of Commons
- William H. McDonald, American politician; Texas Land Commissioner
- William John Macdonald, Canadian merchant and politician
- William Josiah MacDonald, American politician; from Michigan
- William Madison McDonald, African-American politician and businessman
- William Ross Macdonald, Canadian lawyer and statesman; from Ontario
- William Walter McDonald, Canadian politician; from the Northwest Territories
- George William McDonald, politician in Manitoba, Canada
Religious figures
- William Macdonald (priest), British; archdeacon of Wilts
- William Joseph McDonald, Irish-born bishop of the Catholic Church in the United States
Sports
- William MacDonald (footballer), Scottish footballer and Royal Navy officer
- William Macdonald (jockey), British; winner of the 1840 Epsom Derby
- William McDonald (bowls), Canadian lawn bowls international
- Will McDonald (basketball), American basketball player
- Will McDonald IV, American football player
- Willie McDonald, Scottish footballer
- Willie McDonald (footballer, born 1883), Scottish footballer
Others
- Will McDonald (journalist), Australian television journalist
- William MacDonald (serial killer), Australian serial murderer
- William Christopher Macdonald, Canadian tobacco manufacturer and philanthropist
- William Hixon McDonald (junior), Australian miner, political candidate and pioneer
- William Johnson McDonald, American banker; endowed an astronomical observatory
- William Sutherland Macdonald, Scottish physician; principal medical officer at the Ministry of Health
- William W. McDonald, American rancher and conservationist