General Alastair M'Ian Macdonald was a British Army officer who became Commander-in-Chief, Scotland.

Macdonald was commissioned as an ensign in the 92nd Regiment of Foot in 1846 and became aide-de-camp to Sir John Pennefather in 1854.

[1] He became Assistant-Adjutant-General at Dover and then aide-de-camp to the Duke of Cambridge.

[1] Promoted to major-general, he went on to command the troops in the North British District in 1881[2] before retiring in 1885.

[1] In August 1881 he oversaw and commanded the second Royal Volunteer Review in Holyrood Park with 44,000 soldiers parading in front of Queen Victoria.