Alastair McDonald explained

Alastair McDonald, or variants, may refer to:

After 1900

• Alistair MacDonald (born 1970), British judge
• Alistair Macdonald (1925–1999), British Labour party politician
• Alastair Macdonald (surveyor) (born 1932), British land surveyor and author
• Alastair Macdonald (historian), Scottish historian
• Alastair McDonald (musician) (born 1941), Scottish banjo-playing folk/jazz musician
• Alisdair Macdonald (1940–2007), British press photographer

Pre-20th century

• Alastair Macdonald (British Army officer), 19th century Commander-in-Chief, Scotland
• Alasdair Mac Colla (died 1647), 17th century Scottish military officer
• Alexander of Islay, Earl of Ross (died 1449), also known as Alasdair MacDonald, 15th century Scottish nobleman
• Alistair Carragh Macdonald, 15th century Scottish nobleman
• Alasdair Óg of Islay (died 1299), known as Alasdair MacDonald, 13th century Scottish Lord of Islay and chief of Clann Domhnaill
• Alasdair Mór, 13th century Scottish nobleman and eponymous ancestor of Clan MacAlister