Alastair McDonald

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