Alexander Haggart (January 20, 1848 – February 19, 1927) was a Canadian lawyer, judge and political figure in Manitoba.

[1] He was born in Peterborough, Canada West, the son of Archibald Haggart and Elizabeth McGregor, and was educated at Victoria University in Cobourg.

[2] He was called to the Ontario bar in 1878, first practised law in Toronto and then moved to Winnipeg in 1880,[3] where he practised in partnership with Hugh John Macdonald and Albert Clements Killam.

[5] He resigned his seat in the House of Commons in 1911 to allow Robert Rogers to run for election.

Haggart served in the Manitoba Court of Appeal from 1912 to 1920, retiring due to poor health.