Thomas Ashmore Kidd (May 1, 1889 – December 19, 1973) was speaker of the Legislature of Ontario in 1930–34 and served as Conservative MLA for Kingston from 1926 to 1940 and Progressive Conservative MP for Kingston City from 1945 to 1949. Kidd was re-elected in the 1929 provincial election and served as Speaker of the Ontario Legislative Assembly from 1930 until 1934.