Ontario’s MPPs have elected their Speakers by secret ballot since 1990. Speakers before 1990 were appointed by the governing party.
Ted Arnott, MPP for Wellington-Halton Hills, was elected Speaker on July 11, 2018, and was re-elected on August 8, 2022. He is the 42nd Speaker since 1867.
| Name | Start date | End date |
|---|---|---|
| Dave Levac | November 21, 2011 | July 11, 2018 |
| Steve Peters | November 28, 2007 | November 21, 2011 |
| Michael A. Brown | October 11, 2005 | November 28, 2007 |
| Alvin Curling | November 19, 2003 | August 19, 2005 |
| Gary Carr | October 20, 1999 | November 19, 2003 |
| Christopher M. Stockwell | October 3, 1996 | June 16, 1999 |
| Edward A. Doyle | September 26, 1996 | October 3, 1996 |
| Allan K. McLean | September 26, 1995 | September 26, 1996 |
| David William Warner | November 19, 1990 | September 26, 1995 |
| Hugh Alden Edighoffer | June 4, 1985 | November 19, 1990 |
| John Melville Turner | April 21, 1981 | June 4, 1985 |
| John Edward Stokes | October 17, 1977 | April 21, 1981 |
| Russell Daniel Rowe | October 22, 1974 | October 17, 1977 |
| Allan Edward Reuter | December 13, 1971 | October 22, 1974 |
| Frederick McIntosh Cass | February 14, 1968 | July 28, 1971 |
| Donald Hugo Morrow | October 29, 1963 | June 15, 1967 |
| William Murdoch | January 6, 1960 | April 26, 1963 |
| Alfred Wallace Downer | September 8, 1955 | March 26, 1959 |
| Myrddyn Cooke Davies | February 10, 1949 | March 31, 1955 |
| James de Congalton Hepburn | March 24, 1947 | April 16, 1948 |
| William James Stewart | February 22, 1944 | March 21, 1947 |
| James Howard Clark | March 8, 1939 | April 14, 1943 |
| Norman Otto Hipel | February 20, 1935 | September 2, 1938 |
| Thomas Ashmore Kidd | February 5, 1930 | April 18, 1933 |
| William David Black | February 2, 1927 | March 28, 1929 |
| Joseph Elijah Thompson | February 6, 1924 | April 8, 1926 |
| Nelson Parliament | March 9, 1920 | May 8, 1923 |
| David Jamieson | February 16, 1915 | April 24, 1919 |
| William Henry Hoyle | February 7, 1912 | May 1, 1914 |
| Thomas Crawford | April 8, 1907 | March 24, 1911 |
| Joseph Wesley St. John | March 22, 1905 | April 7, 1907 |
| William Andrew Charlton | March 10, 1903 | April 26, 1904 |
| François Eugène Alfred Évanturel | February 10, 1897 | March 17, 1902 |
| William Douglas Balfour | February 21, 1895 | July 14, 1896 |
| Thomas Ballantyne | February 11, 1891 | May 5, 1894 |
| Jacob Baxter | February 10, 1887 | April 7, 1890 |
| Charles Clarke | January 7, 1880 | March 25, 1886 |
| Rupert Mearse Wells | January 7, 1874 | March 11, 1879 |
| James George Currie | December 21, 1871 | March 29, 1873 |
| Richard William Scott | December 7, 1871 | December 21, 1871 |
| John Stevenson | December 27, 1867 | February 15, 1871 |