| Name | Original chapter | Notability | References |
| Thomas Abernethy | University of Mississippi | U.S. member of Congress from Mississippi | [55] |
| James Burr V Allred | Cumberland University | Governor of Texas | |
| Lincoln Almond | University of Rhode Island | Governor of Rhode Island | |
| Sigurd Anderson | South Dakota State University | Governor of South Dakota | [2] |
| Rick Baker | Florida State University | Mayor of St. Petersburg, Florida | [56] |
| Willard L. Beaulac | Brown University | U.S. ambassador to Argentina, Chile, Colombia, Cuba, and Paraguay | [57] |
| Ellis Yarnal Berry | University of South Dakota | U.S. Member of Congress from South Dakota | |
| Alan Bible | University of Nevada, Reno | U.S. Senator from Nevada | |
| Joseph H. Bottum | University of South Dakota | U.S. Senator from South Dakota | [19] |
| Kevin Brady | University of South Dakota | U.S. member of Congress from Texas | [58] |
| John Breaux | University of Louisiana at Lafayette | U.S. Senator from Louisiana | [19] |
| Bob Brown | Montana State University | Montana Secretary of State | |
| Charles Harrison Brown | Drury University | U.S. member of Congress from Missouri | |
| Omar Burleson | Abilene Christian University | U.S. member of Congress from Texas | |
| DeWayne Burns | Tarleton State University | Member of Texas House of Representatives | |
| Maurice G. Burnside | The Citadel | U.S. member of Congress from West Virginia | [53] |
| Donald Carcieri | Brown University | Governor of Rhode Island | |
| David Carlucci | Cornell University | New York State Senator | [3] |
| Max Cleland | Stetson University | U.S. Senator from Georgia | [19] |
| Ron Coleman | University of Texas at El Paso | U.S. member of Congress from Texas | |
| John Cooksey | Louisiana State University | U.S. member of Congress from Louisiana | |
| Nathaniel Craley | Gettysburg College | U.S. member of Congress from Pennsylvania | |
| John Danforth | Honorary member | U.S. Senator from Missouri | [19] |
| William E. Dannemeyer | Honorary member | U.S. member of Congress from California | |
| Dennis Daugaard | University of South Dakota | Governor of South Dakota | [2] |
| Lloyd Doggett | University of Texas at Austin | U.S. member of Congress from Texas | |
| James W. Dunn | Michigan State University | U.S. member of Congress from Michigan | |
| Marc S. Ellenbogen | Syracuse University | U.S. diplomat, philanthropist, and presidential advisor | |
| Houston I. Flournoy | Cornell University | California State Controller and Republican gubernatorial nominee | [3] |
| Craig Ford | Auburn University | Alabama State House minority leader | |
| Wendell Ford | University of Kentucky | U.S. Senator from Kentucky | [19] |
| Alan Frumin | Colgate University | Parliamentarian of United States Senate | [59] |
| Pat Garofalo | Minnesota State University, Mankato | Minnesota State Representative | [60] |
| Virgil Goode | University of Richmond | U.S. member of Congress from Virginia | |
| James W. Grant | Florida State University | U.S. member of Congress from Florida | [61] |
| Durward Gorham Hall | Drury University | U.S. member of Congress from Missouri | |
| Richard T. Hanna | University of California, Los Angeles | U.S. member of Congress from California | [38] |
| Joe Frank Harris | University of Georgia | Governor of Georgia | |
| Vance Hartke | University of Evansville | U.S. Senator from Indiana | [19] |
| Howell Heflin | Birmingham–Southern College | U.S. Senator from Alabama | [62] |
| Robert King High | University of Tennessee at Chattanooga | Mayor of Miami | [63] |
| Michael Johns | University of Miami | White House presidential speechwriter and public policy expert | [64] |
| Harold T. Johnson | University of Nevada, Reno | U.S. member of Congress from California | [55] |
| James R. Jones | University of Oklahoma | U.S. member of Congress from Oklahoma and U.S. ambassador to Mexico | |
| Sam H. Jones | Louisiana State University | Governor of Louisiana | |
| Jack Kingston | University of Georgia | U.S. member of Congress from Georgia | |
| Robert W. Levering | Denison University | U.S. member of Congress from Ohio | |
| James Tilghman Lloyd | Culver–Stockton College | U.S. member of Congress from Missouri | |
| Harold Lovre | University of South Dakota | U.S. Senator from South Dakota | [55] |
| José Manuel Lozano | University of Texas at Austin | Member of Texas House of Representatives | [65] |
| Theron Lynd | Mississippi State University | A circuit clerk and voter registrar in Forrest County, Mississippi; who was part of six year of litigation for discrimination and denying African American voter registration in the 1960s and 1970s. | [66][67] |
| William C. Marland | University of Alabama | Governor of West Virginia | [55] |
| Ray Marshall | Millsaps College | U.S. Secretary of Labor | |
| William McCormick | Boston University | U.S. ambassador to New Zealand and Samoa | [30] |
| John A. McGuire | Dartmouth College | U.S. member of Congress from Connecticut | |
| George T. Mickelson | University of South Dakota | Governor of South Dakota | [2] |
| Allen I. Olson | University of North Dakota | Governor of North Dakota | |
| Joe Dan Osceola | Georgetown College | Chief and tribal ambassador of Seminole tribe | |
| John Oxendine | Mercer University | Georgia insurance and safety fire commissioner and former gubernatorial candidate | [68] |
| Ron Paul | Gettysburg College | U.S. member of Congress from Texas and 2012 presidential candidate | [69] |
| John Howard Pyle | Honorary member | Governor of Arizona | [46] |
| Carl West Rich | University of Cincinnati | Mayor of Cincinnati and U.S. member of Congress from Ohio | [55] |
| Tom Rooney | Syracuse University | U.S. member of Congress from Florida | [70] |
| Charles H. Russell | University of Nevada, Reno | Governor of Nevada | |
| Alfred Taylor | Honorary member | Governor of Tennessee | [46] |
| Paul Trible | Hampden–Sydney College | U.S. Senator from Virginia and president of Christopher Newport University | |
| Harry S. Truman | Honorary member | 33rd President of the United States | [71] |
| Harold H. Velde | Northwestern University | U.S. member of Congress from Illinois | |
| Curt Weldon | West Chester University | U.S. member of Congress from Pennsylvania | |
| Means Wilkinson | University of Arkansas | Speaker of the Arkansas House of Representatives | [72] |
| Kevin Yoder | University of Kansas | U.S. member of Congress from Kansas | [15] |
| Clarence Clifton Young | University of Nevada, Reno | U.S. member of Congress and Nevada Supreme Court justice | |