| Name | Original chapter | Initiation year | Notability | Ref(s) |
|---|
| Ernest F. Acheson | Pennsylvania Alpha | 1873 | U.S. Representative from Pennsylvania (1895–1909) | [95] |
| Wilbur L. Adams | Pennsylvania Zeta | 1902 | U.S. Representative from Delaware (1933–1935) | [96] |
| Henry T. Bannon | Ohio Delta | 1885 | U.S. Representative from Ohio (1905–1909) | [97] |
| Laird Howard Barber | Pennsylvania Theta | 1869 | U.S. Representative from Pennsylvania (1899–1901) | [98] |
| Arthur Laban Bates | Pennsylvania Beta | 1876 | U.S. Representative from Pennsylvania (1901–1913) | [99] |
| Evan Bayh | Indiana Beta | 1975 | U.S. Senator from Indiana (1999–2011);Governor of Indiana (1989–1997);Secretary of State of Indiana (1987–1989) | [66] |
| John Beatty | Ohio Alpha | 1870 | U.S. Representative from Ohio (1868–1873) | [50] |
| Joseph M. Belford | Pennsylvania Zeta | 1868 | U.S. Representative from New York (1897–1899) | [100] |
| Frank Eckels Beltzhoover | Pennsylvania Epsilon | 1858 | U.S. Representative from Ohio (1879–1883, 1891–1895) | [101] |
| Henry H. Bingham | Pennsylvania Alpha | 1858 | U.S. Representative from Pennsylvania (1879–1912);Medal of Honor recipient as aUnion Army officer at theBattle of the Wilderness; conveyed the personal effects ofConfederateGeneral L. Armistead to UnionGeneral W. Hancock at theBattle of Gettysburg | [102] |
| Bruce Braley | Iowa Beta | 1976 | U.S. Representative from Iowa (2007–2015) | [103] |
| James E. Bromwell | Iowa Alpha | 1939 | U.S. Representative from Iowa (1961–1965) | [11] |
| Joseph W. Byrns, Jr. | Tennessee Delta | 1924 | U.S. Representative from Tennessee (1939–1941) | [104] |
| William H. Calkins | Indiana Alpha | 1883 | U.S. Representative from Indiana (1877–1883) | [105] |
| George Earle Chamberlain | Virginia Beta | 1872 | U.S. Senator from Oregon (1909–1921);Chairman of the Senate Armed Services Committee (1913–1919);Governor of Oregon (1903–1909) | [106] |
| Edwin V. Champion | Illinois Delta | 1908 | U.S. Representative from Illinois (1937–1939) | [107] |
| Ralph E. Church | Illinois Alpha | 1908 | U.S. Representative from Illinois (1935–1941, 1943–1950) | [108] |
| James Cooney | Missouri Alpha | 1869 | U.S. Representative from Missouri (1897–1903) | [105] |
| Paul Coverdell | Missouri Alpha | 1959 | U.S. Senator from Georgia (1993–2000); Director of thePeace Corps (1989–1991);Georgia State Senator (1970–1989); sponsored federal legislation creating theCoverdell Education Savings Accounts | [109] |
| William J. Crow | Pennsylvania Zeta | 1922 | U.S. Representative from Pennsylvania (1947–1949) | [110] |
| Thomas Henry Dale | Pennsylvania Theta | 1892 | U.S. Representative from Pennsylvania (1905–1907) | [111] |
| Robert Daniel | Virginia Alpha | 1955 | U.S. Representative from Virginia (1973–1983) | [112] |
| Charlie Dent | Pennsylvania Lambda | 1982 | U.S. Representative from Pennsylvania (2005–present);Pennsylvania State Senate#Membership (1999–2004);Pennsylvania State Representative (1991–1998) | [69] |
| Winfield K. Denton | Indiana Alpha | 1915 | U.S. Representative from Indiana (1949–1953, 1955–1966) | [69] |
| Clarence Dill | Ohio Alpha | 1906 | U.S. Senator from Washington (1923–1935);U.S. Representative from Washington (1915–1919) | [113] |
| P. Henry Dugro | New York Gamma | 1874 | U.S. Representative from New York (1881–1883) | [114] |
| Allan C. Durborow, Jr. | Indiana Beta | 1877 | U.S. Representative from Indiana (1891–1895) | [13] |
| Hamilton G. Ewart | South Carolina Alpha | 1870 | U.S. Representative from South Carolina (1889–1891); mayor ofHendersonville, North Carolina (1878–1879) | [9] |
| George W. Faris | Indiana Alpha | 1870 | U.S. Representative from Indiana (1895–1901) | [115] |
| David E. Finley | South Carolina Alpha | 1886 | U.S. Representative from South Carolina (1899–1917) | [116] |
| Joseph B. Foraker | Ohio Alpha | 1866 | U.S. Senator from Ohio (1897–1909);Governor of Ohio (1886–1890); candidate for 1908 Republican presidential nomination; first President of Phi Kappa Psi (1886–1888); founder of Phi Psi's New York Alpha chapter atCornell University | [50][51] |
| Ralph W. Gwinn | Indiana Alpha | 1901 | U.S. Representative from New York (1945–1959) | [91] |
| T. Millet Hand | Pennsylvania Zeta | 1919 | U.S. Representative from New Jersey (1945–1956); Mayor ofCape May (1937–1944) | [117] |
| Thomas W. Harrison | Virginia Alpha | 1867 | U.S. Representative from Virginia (1916–1921) | [118] |
| Charles S. Hartman | Indiana Gamma | 1879 | U.S. Representative from Indiana (1893–1899) | [56] |
| Daniel Brodhead Heiner | Pennsylvania Zeta | 1873 | U.S. Representative from Pennsylvania (1893–1897) | [76] |
| Charles Henderson | California Beta | 1892 | U.S. Senator from Nevada (1918–1921) | [119] |
| Thomas J. Henderson | Pennsylvania Alpha | 1855 | U.S. Representative from Illinois (1875–1895) | [92] |
| Charles L. Henry | Indiana Alpha | 1868 | U.S. Representative from Indiana (1895–1899) | [115] |
| Frederick C. Hicks | Pennsylvania Kappa | 1890 | U.S. Representative from Pennsylvania (1915–1923) | [93] |
| J. French Hill | Tennessee Delta | 1976 | U.S. Representative from Arkansas (2015–present) | [120] |
| John D. Hoblitzell, Jr. | West Virginia Alpha | 1931 | U.S. Senator from West Virginia (1958) | [121] |
| Herschel M. Hogg | Illinois Gamma | 1873 | U.S. Representative from Colorado (1903–1907) | [122] |
| Craig Hosmer | California Gamma | 1934 | U.S. Representative from California (1953–1974) | [123] |
| Charles J. Hughes, Jr. | Missouri Alpha | 1872 | U.S. Senator from Colorado (1909–1911) | [124] |
| John S. Jones | Ohio Alpha | 1861 | U.S. Representative from Ohio (1877–1879) | [125] |
| J. Warren Keifer | Ohio Beta | 1868 | U.S. Representative from Ohio (1877–1885);Speaker of the House (1881–1883); served as aU.S. Army general in both theCivil War andSpanish–American War | [126] |
| William S. Kenyon | Iowa Alpha | 1886 | U.S. Senator from Iowa (1911–1922); justice of the United States Court of Appeals for the Eighth Circuit (1922–1933); considered for the 1924 Republican presidential and vice presidential nominations, and for appointment to theU.S. Supreme Court in 1930 and 1932 | [127] |
| Thomas Kuchel | California Delta | 1929 | U.S. Senator from California (1953–1969);Senate Minority Whip (1959–1969); co-floor manager for theCivil Rights Act of 1964 and theVoting Rights Act of 1965 | [128] |
| George Swinton Legaré | South Carolina Alpha | 1889 | U.S. Representative from South Carolina (1903–1913) | [116] |
| Edward C. Little | Kansas Alpha | 1878 | U.S. Representative from Kansas (1919–1924) | [129] |
| Edward L. Martin | Virginia Alpha | 1857 | U.S. Representative from Delaware (1879–1883) | [67] |
| Sam C. Massingale | Mississippi Alpha | 1889 | U.S. Representative from Oklahoma (1935–1941) | [130] |
| Addison S. McClure | Pennsylvania Alpha | 1855 | U.S. Representative from Ohio (1895–1897) | [92] |
| John Y. McCollister | Iowa Alpha | 1941 | U.S. Representative from Nebraska (1971–1977) | [131] |
| Welty McCullogh | Pennsylvania Alpha | 1868 | U.S. Representative from Pennsylvania (1887–1889) | [95] |
| James McKinney | Illinois Gamma | 1874 | U.S. Representative from Illinois (1905–1913) | [122] |
| Clarence B. Miller | Minnesota Beta | 1891 | U.S. Representative from Minnesota (1909–1919) | [132] |
| Hugh Mitchell | New Hampshire Alpha | 1927 | U.S. Representative from Washington (1949–1953);U.S. Senator from Washington (1945–1946) | [133] |
| John I. Mitchell | Pennsylvania Gamma | 1881 | U.S. Senator from Pennsylvania (1881–1887);U.S. Representative from Pennsylvania (1877–1881) | [134] |
| Hunter Holmes Moss, Jr. | West Virginia Alpha | 1895 | U.S. Representative from West Virginia (1913–1916) | [135] |
| James C. Needham | California Alpha | 1884 | U.S. Representative from California (1899–1913) | [136] |
| James Ellsworth Noland | Indiana Beta | 1939 | U.S. Representative from Indiana (1949–1951) | [137] |
| Henry Page | Virginia Alpha | 1859 | U.S. Representative from Maryland (1891–1892) | [138] |
| William H. Perry | South Carolina Alpha | 1857 | U.S. Representative from South Carolina (1885–1891); served as aConfederate Army officer | [9] |
| Samuel R. Peters | Ohio Alpha | 1861 | U.S. Representative from Kansas (1883–1891); served as aUnion Army officer | [125] |
| Peter A. Peyser | New York Epsilon | 1942 | U.S. Representative from New York (1971–1977, 1979–1983) | [139] |
| John Pickler | Iowa Alpha | 1867 | U.S. Representative from South Dakota (1889–1897) | [140] |
| Hugh H. Price | Wisconsin Alpha | 1878 | U.S. Representative from Wisconsin (1887) | [141] |
| William J. Randall | Missouri Alpha | 1932 | U.S. Representative from Missouri (1959–1977) | [142] |
| Robert F. Rich | Pennsylvania Zeta | 1903 | U.S. Representative from Pennsylvania (1930–1943, 1945–1951) | [143] |
| William Nathaniel Rogers | New Hampshire Alpha | 1912 | U.S. Representative from New Hampshire (1923–1925) | [144] |
| William S. Shallenberger | Pennsylvania Gamma | 1859 | U.S. Representative from Pennsylvania (1877–1883) | [145] |
| Don L. Short | Minnesota Beta | 1924 | U.S. Representative from North Dakota (1959–1965) | [146] |
| Ellison D. Smith | South Carolina Alpha | 1885 | U.S. Senator from South Carolina (1909–1944);South Carolina State Representative (1896–1900); known as "Cotton Ed,"Chairman of the Senate Committee on Agriculture and Forestry | [116] |
| Martin L. Smyser | Ohio Beta | 1867 | U.S. Representative from Ohio (1889–1891, 1905–1907) | [126] |
| Hubert D. Stephens | Mississippi Alpha | 1894 | U.S. Senator from Mississippi (1923–1935);U.S. Representative from Mississippi (1911–1921) | [119] |
| Charles Sumner | Indiana Alpha | 1867 | U.S. Senator from Massachusetts (1851–1874) | [147] |
| Frank Sundstrom | New York Alpha | 1920 | U.S. Representative from New Jersey (1943–1949); inducted into theCollege Football Hall of Fame in 1978 | [148] |
| Dean P. Taylor | New York Epsilon | 1922 | U.S. Representative from New York (1943–1961) | [149] |
| David Gardiner Tyler | Virginia Beta | 1867 | U.S. Representative from Virginia (1893–1897);Virginia State Senator (1891–1892, 1900–1904);Confederate Army veteran; son of U.S. PresidentJohn Tyler | [150] |
| James A. Walker | Virginia Alpha | 1854 | U.S. Representative from Virginia (1895–1899);Lieutenant Governor of Virginia (1878–1882); Brigadier General,Confederate States Army;Commander of the Stonewall Brigade (May 14, 1863 – May 12, 1864) and Early's Division (1865) | [151] |
| James Eli Watson | Indiana Alpha | 1881 | U.S. Senator from Indiana (1916–1933);Majority Leader (1929–1933);U.S. Representative from Indiana (1895–1897, 1899–1909);Republican PartyWhip (1905–1909); credited with originating the saying "If you can't lick 'em, jine 'em" | [152] |
| Earle D. Willey | Pennsylvania Zeta | 1907 | U.S. Representative from Delaware (1943–1945) | [153] |
| George S. Williams | Pennsylvania Zeta | 1897 | U.S. Representative from Delaware (1939–1941) | [153] |
| James R. Williams | Indiana Beta | 1874 | U.S. Representative from Illinois (1889–1895, 1899–1905) | [96] |
| Boyd Winchester | Virginia Alpha | 1855 | U.S. Representative from Kentucky (1869–1873) | [138] |
| Larry Winn | Kansas Alpha | 1938 | U.S. Representative from Kansas (1967–1985) | [154] |
| Simon Peter Wolverton | Pennsylvania Gamma | 1857 | U.S. Representative from Pennsylvania (1891–1895) | [145] |
| Dudley G. Wooten | Virginia Alpha | 1877 | U.S. Representative from Texas (1901–1903) | [118] |
| Seth H. Yocum | Pennsylvania Zeta | 1859 | U.S. Representative from Pennsylvania (1879–1881) | [155] |