This is a complete list of the Speakers of the Illinois House of Representatives as of January 2021[update]. Each was chosen since the Illinois General Assembly's first session in 1818.
The colors indicate the political party affiliation of each speaker.
| # | Speaker | Party | General
Assembly | Date of election |
|---|
| 1 | John Messinger | Democratic-Republican | 1st | October 5, 1818 |
| 2 | John McLean | Democratic-Republican | 2nd | December 4, 1820 |
| 3 | William M. Alexander | Democratic-Republican | 3rd | December 2, 1822 |
| 4 | Thomas Mather | Democratic-Republican | 4th | November 15, 1824 |
| 5 | David Blackwell | Democratic | January 2, 1826 |
| 6 | John McLean | Democratic | 5th | December 4, 1826 |
| 6th |
| 7 | William Lee D. Ewing | Democratic | 7th | December 6, 1830 |
| 8 | Alexander M. Jenkins | Democratic | 8th | December 6, 1832 |
| 9 | James Semple | Democratic | 9th | December 1, 1834 |
| 10th |
| 10 | William Lee D. Ewing | Democratic | 11th | December 3, 1838 |
| 12th |
| 11 | Samuel Hackleton | Democratic | 13th | December 5, 1842 |
| 12 | William Alexander Richardson | Democratic | 14th | December 2, 1844 |
| 13 | Newton Cloud | Democratic | 15th | December 7, 1846 |
| 14 | Zadok Casey | Democratic | 16th | January 1, 1849 |
| 15 | Sidney Breese | Democratic | 17th | January 6, 1851 |
| 16 | John Reynolds | Democratic | 18th | January 3, 1853 |
| 17 | Thomas J. Turner | Anti-Nebraska Democratic | 19th | January 1, 1855 |
| 18 | Samuel Holmes | Democratic | 20th | January 5, 1857 |
| 19 | William Ralls Morrison | Democratic | 21st | January 3, 1859 |
| 20 | Shelby Moore Cullom | Republican | 22nd | January 7, 1861 |
| 21 | Samuel A. Buckmaster | Democratic | 23rd | January 5, 1863 |
| 22 | Allen C. Fuller | Republican | 24th | January 2, 1865 |
| 23 | Franklin Corwin | Republican | 25th | January 7, 1867 |
| 26th |
| 24 | William M. Smith | Republican | 27th | January 4, 1871 |
| 25 | Shelby Moore Cullom | Republican | 28th | January 8, 1873 |
| 26 | Elijah M. Haines | Independent | 29th | January 6, 1875 |
| 27 | James Shaw | Republican | 30th | January 3, 1877 |
| 28 | William A. James | Republican | 31st | January 8, 1879 |
| 29 | Horace H. Thomas | Republican | 32nd | January 5, 1881 |
| 30 | Lorin C. Collins | Republican | 33rd | January 3, 1883 |
| 31 | Elijah M. Haines | Independent | 34th | January 29, 1885 |
| 32 | William F. Calhoun | Republican | 35th | January 5, 1887 |
| 33 | Asa C. Matthews | Republican | 36th | January 9, 1889 |
| 34 | James H. Miller | Republican | May 10, 1889 |
| 35 | William Granville Cochran | Republican | July 23, 1890 |
| 36 | Clayton E. Crafts | Democratic | 37th | January 7, 1891 |
| 38th |
| 37 | John Meyer | Republican | 39th | January 9, 1895 |
| 38 | William Granville Cochran | Republican | July 10, 1895 |
| 39 | Edward C. Curtis | Republican | 40th | January 6, 1897 |
| 40 | Lawrence Y. Sherman | Republican | 41st | January 4, 1899 |
| 42nd |
| 41 | John Henry Miller | Republican | 43rd | January 7, 1903 |
| 42 | Edward D. Shurtleff | Republican | 44th | January 4, 1905 |
| 45th |
| 46th |
| 43 | Charles A. Adkins | Republican | 47th | January 4, 1911 |
| 44 | William Michael McKinley | Democratic | 48th | January 29, 1913 |
| 45 | David E. Shanahan | Republican | 49th | February 17, 1915 |
| 50th |
| 51st |
| 46 | Gotthard A. Dahlberg | Republican | 52nd | January 5, 1921 |
| 47 | David E. Shanahan | Republican | 53rd | January 3, 1923 |
| 48 | Robert Scholes | Republican | 54th | January 7, 1925 |
| 55th |
| 49 | David E. Shanahan | Republican | 56th | January 9, 1929 |
| 57th |
| 50 | Arthur Roe | Democratic | 58th | January 4, 1933 |
| 51 | John P. Devine | Democratic | 59th | January 9, 1935 |
| 52 | Louie E. Lewis | Democratic | 60th | January 6, 1937 |
| 53 | Hugh W. Cross | Republican | 61st | January 3, 1939 |
| 54 | Elmer Jacob Schnackenberg | Republican | 62nd | January 8, 1941 |
| 63rd |
| 55 | Hugh Green | Republican | 64th | January 3, 1945 |
| 65th |
| 56 | Paul Powell | Democratic | 66th | January 10, 1949 |
| 57 | Warren L. Wood | Republican | 67th | January 8, 1951 |
| 68th |
| 69th |
| 70th |
| 58 | Paul Powell | Democratic | 71st | January 7, 1959 |
| 72nd |
| 59 | John W. Lewis, Jr. | Republican | 73rd | January 9, 1963 |
| 60 | John Touhy | Democratic | 74th | January 6, 1965 |
| 61 | Ralph T. Smith | Republican | 75th | January 4, 1967 |
| 76th |
| 62 | Jack E. Walker | Republican | October 14, 1969 |
| 63 | W. Robert Blair | Republican | 77th | January 6, 1971 |
| 78th |
| 64 | William A. Redmond | Democratic | 79th | January 21, 1975 |
| 80th |
| 81st |
| 65 | George H. Ryan | Republican | 82nd | January 14, 1981 |
| 66 | Arthur A. Telcser | Republican | January 10, 1983 |
| 67 | Michael J. Madigan | Democratic | 83rd | January 12, 1983 |
| 84th |
| 85th |
| 86th |
| 87th |
| 88th |
| 68 | Lee A. Daniels | Republican | 89th | January 9, 1995 |
| 69 | Michael J. Madigan | Democratic | 90th | January 8, 1997 |
| 91st |
| 92nd |
| 93rd |
| 94th |
| 95th |
| 96th |
| 97th |
| 98th |
| 99th |
| 100th |
| 101st |
| 70 | Emanuel Chris Welch | Democratic | 102nd | January 13, 2021 |
| 103rd |
