William Warrender Mackenzie, 1st BaronAmulree PC (1860–1942) was a British Labour, later National Labour, politician who served as Secretary of State for Air under Ramsay MacDonald.
Lord Amulree also chaired the Newfoundland Royal Commission, which prepared a report on the future of Newfoundland as a dominion in the British Commonwealth.
BaronAmulree, of Strathbraan in the County of Perth, was a title in the Peerage of the United Kingdom that was created on 22 July 1929 for the lawyer and Labour politician William Mackenzie.
The title became extinct on the death of his son, the 2nd Baron, on 15 December 1983.
Basil William Sholto Mackenzie, 2nd BaronAmulree (1900–1983)