Alexander Macdonald, 1st Baron Macdonald

The Lord Macdonald of Slate
Portrait of Lord Macdonald, attributed to Sir George Chalmers, now at the National Gallery of Scotland
Bornc. 1745
Died12 September 1795(1795-09-12) (aged 49–50)
EducationEton College
Spouse
Elizabeth Diana Bosville
(m. 1768; died 1789)
Parent(s)Sir Alexander Macdonald, 7th Baronet
Lady Margaret Montgomerie
RelativesAlexander Montgomerie, 9th Earl of Eglinton (grandfather)

Alexander Macdonald, 1st Baron Macdonald DL (c. 1745 – 12 September 1795) was a Scottish nobleman and Chief of Clan MacDonald of Sleat.