| Name | Hometown | Dates of Service |
|---|---|---|
| Allen, William W. | Bloomington | 1970 to 1976 |
| Bakalis, Michael J. (Ex-officio) |
Springfield | 1971 to 1972 |
| Berry, Edwin C. | Chicago | 1971 |
| Birger, B. Barnard | Collinsville | 1985 to 1993 |
| Blackshere, Margaret | Springfield | 1973 to 1979 |
| Bonan II, Frank William | Harrisburg | 2008 to 2011 |
| Brewster, John | Marion | 1991 to 2004 |
| Britton, Thomas | Makanda | 2018 to 2019 |
| Brown, Leo J. | Carbondale | 1949 to 1951 |
| Brown, Martin Van | Carbondale | 1961 to 1973 |
| Callahan, Gene | Springfield | 2000 to 2004 |
| Collins, Stella | West Frankfort | 1953 to 1961 |
| Cook, Ruth G. | Chicago | 1951 to 1953 |
| Davis, Kenneth L. | Harrisburg | 1949 to 1969 |
| Davis, Robert W. | Carbondale | 1949 to 1951 |
| D’Esposito, Molly | Winnetka | 1989 to 2004 |
| Elliott, Ivan A., Jr. | Carmi | 1967 to 1991 |
| Eversull, Frank L. | Columbia | 1951 to 1953 |
| Fischer, Harold R. | Granite City | 1954 to 1975 |
| Fouts, Donald E. (Ex-officio) |
Springfield | 1972 to 1973 |
| Genovese, Tonya | Glen Carbon | 2021 |
| Gladson, Guy A. | Chicago | 1949 to 1951 |
| Goldman, Samuel | Carbondale | 2005 to 2008 |
| Haney, Richard A. (Ex-officio) |
Mt. Vernon | 1973 to 1975 |
| Harvey, Crete B. | Sterling | 1981 to 1985 |
| Heberer, Wayne | Belleville | 1976 to 1981 |
| Herrin, Roger D. | Harrisburg | 2011 to 2017 |
| Hightower, Ed | Edwardsville | 2001 to 2013 |
| Hinrichs, Mark | Shiloh | 2011 to 2013 |
| Hitt, F. Guy | Benton | 1965 to 1971 |
| Jackson, Marilyn D. | Chicago | 2004 to 2005 |
| Karraker, Guy W. | Dongola | 1951 to 1953 |
| Kern, Robert L. | Belleville | 1953 to 1957 |
| Kimmel, Carol | Rock Island/Moline | 1977 to 1989 |
| Lanphier, Robert C., Jr. | Springfield | 1951 to 1954 |
| Lockard, Melvin C. | Mattoon | 1953 to 1971 |
| Lowery, Don | Golconda | 2011 to 2015 |
| Lyerla, O. W. | Herrin | 1949 to 1951 |
| Manering, Donna L. | Makanda | 2011 to 2017 |
| Maremont, Arnold H. | Chicago | 1961 to 1967 |
| Mitchell, George W. | Western Springs | 1951 to 1953 |
| Moore, Willis | Carbondale | 1974 to 1977 |
| Nickell, Vernon L. (Ex-officio) |
Springfield | 1949 to 1959 |
| Norwood, William R. | Elk Grove Village/Carbondale | 1974 to 2001 |
| Oehmke, Martin F. | East St. Louis | 1957 to 1961 |
| Page, Ray (Ex-officio) |
Springfield | 1963 to 1971 |
| Portwood, Shirley | Godfrey | 2013 to 2019 |
| Poshard, Glenn | Murphysboro | 2004 to 2005 |
| Rendleman, David F. | Carbondale | 1979 |
| Repking, Mark | Godfrey | 2001 to 2002 |
| Rouse, W. Victor | Chicago | 1971 to 1974 |
| Rowe, Harris | Jacksonville | 1971 to 2004 |
| Ryan, Marsha | Murphysboro | 2017 to 2019 |
| Sambursky, Joel | Carbondale | 2013 to 2019 |
| Sanders, Keith | Spring Grove | 2004 to 2011 |
| Sholar, Amy | Alton | 2015 to 2020 |
| Simmons, John | Alton | 2004 to 2013 |
| Simonds, Eugene T. | Carbondale | 1969 to 1970 |
| Stiehl, Celeste | Belleville | 1993 to 2000 |
| Sturgis, Lindell W. | Metropolis | 1949 to 1971 |
| Tedrick, Roger | Mt. Vernon | 2004 to 2011 |
| Thomas, Randal E. | Springfield | 2013 to 2019 |
| Van Meter, A. D., Jr. | Springfield | 1975 to 2005 |
| Walker, Earl E. | Harrisburg | 1971 to 1973 |
| Wham, John Page | Centralia | 1949 to 1965 |
| Wigginton, Stephen | Belleville | 2005 to 2010 |
| Wiley, Marquita | Belleville | 2005 to 2015 |
| Wilkins, George T., Sr. (Ex-officio) |
Springfield | 1959 to 1963 |
| Wilkins, George T., Jr. | Edwardsville | 1979 to 2000 |
* In addition, Southern Illinois University students serve as members of the Board of Trustees and are elected by their constituents for one-year terms.
