David Glass (July 20, 1829 – July 17, 1906) was a Canadian lawyer and political figure. He was a Conservative Member of Parliament representing Middlesex East from 1872 to 1874.^[1]

He was born in Westminster Township, Middlesex County, Upper Canada in 1829,^[1] the son of Samuel Glass, who had come to Upper Canada from Ireland in 1819,^[2] and Eliza Owrey.^[3] In 1856, he married Sarah Dalton. Glass was called to the bar in 1864 and set up practice in London.^[2] He served on London City Council and was mayor in 1858 and 1865–1866.^[1] In 1876, he was named Queen's Counsel. He moved to Winnipeg in 1882, was called to the Manitoba bar later that year^[2] and was elected to the Legislative Assembly of Manitoba for St. Clements in 1886, serving from 1887 to 1888; he was also Speaker of the Legislative Assembly from 1887 to 1888.^[1] He retired from politics in 1888 due to poor health.^[3] Glass was solicitor for the city of Winnipeg. He was also master of the local Masonic lodge and a member of the Grand Lodge of Canada.^[2]

He later lived in Rossland, British Columbia and Spokane, Washington,^[3] where he died in 1906.^[4] Glass was buried in London, Ontario.^[3]