William Leonard (14 February 1887 – 14 October 1969) was a Labour and Co-operative politician in Scotland. He served as the member of parliament for Glasgow St. Rollox from 1931 to 1950.
The St. Rollox constituency was abolished for the 1950 general election. He contested the new Glasgow Woodside constituency, where he lost by 1,109 votes to the Unionist Party candidate.[1] He did not stand in 1951.[2]