The Socialist Labor Party was a political party in Canada that was formed in 1898 by Canadian supporters of the ideas of American socialist Daniel De Leon and the Socialist Labor Party of America. It became a national party in the 1930s and had its headquarters in Toronto. The party never won any seats. The party ran only a small number of candidates (listed below), all of whom placed last in their respective elections.
The party dissolved in 2005 following the accidental death of its national secretary, Doug Irving.
The party also unsuccessfully contested three provincial elections in British Columbia:
The Socialist Labor Party ran candidates in Ontario provincial elections in 1902 and from 1934 until 1967, but never won a seat in the provincial legislature.