Alexander MacDonald

Politics

• Alasdair Óg of Islay, Lord of Islay and chief of Clann Domhnaill
• Alexander of Islay, Earl of Ross, or Alexander MacDonald, Scottish nobleman
• Alexander MacDonald, 5th of Dunnyveg, Scoto-Irish chieftain
• Alexander Og MacDonald, chief of the MacDonalds of Dunnyveg
• Alexander Macdonald, 17th of Keppoch, Scottish clan chief, military officer, and prominent Jacobite
• Alexander Macdonald, 1st Baron Macdonald, Scottish peer
• Alexander Macdonald, 2nd Baron Macdonald, Scottish peer and Member of Parliament
• Alexander Francis Macdonald, politician and railway contractor
• Alexander Macdonald (Lib–Lab politician), Scottish miner, teacher, trade union leader and Lib-Lab politician
• Alexander Macdonald (Manitoba politician), Canadian politician, Mayor of Winnipeg in 1892
• Alexander Macdonald, 7th Baron Macdonald, grandson of 6th Baron Macdonald
• Alexander Macdonald (British Columbia politician), Canadian MP for Vancouver Kingsway
• Alexander Macdonald (New York politician), Canadian-American politician and conservationist
• Alex Macdonald (trade unionist), Australian trade unionist

Other

• Alasdair mac Mhaighstir Alasdair, known in English as Alexander MacDonald, Scottish poet
• Alexander Macdonald (antiquary), Scottish antiquarian and editor
• Alexander MacDonald (Scottish bishop), Roman Catholic bishop and vicar apostolic in Scotland
• Alexander Macdonald (artist), first Ruskin Master at the University of Oxford
• Alexander MacDonald (Canadian bishop), Canadian Roman Catholic bishop, educator and author
• Alexander Macdonald (Presbyterian minister), Scottish minister and Moderator of the General Assembly of the Church of Scotland
• Alex Bath MacDonald, Australian Army officer
• Alex MacDonald (footballer, born 1948), Scottish football player and manager
• Alex MacDonald (footballer, born 1990), Scottish football player
• Alex MacDonald (cricketer), English cricketer
• Alexander MacDonald (journalist),, American journalist, OSS officer, and co-founder of the Bangkok Post