Frederick Mackenzie (April 10, 1841 – July 2, 1889) was a lawyer and politician in Quebec.

[2] He was the son of John Gordon Mackenzie (1796–1881), a wealthy dry goods merchant and native of Dingwall.

[3] Mackenzie was educated at McGill University and was called to the Lower Canada bar in 1862.

Frederick Mackenzie was a captain in the militia and served during the Fenian raids.

[2] Mackenzie represented Montreal West in the House of Commons of Canada from 1874 to 1875 as a Liberal member.