Wyoming elects one representative at-large to the United States House of Representatives for two year terms, elected in the even years and taking office the following January.
| Name | Term in Office | Hometown | Birth | Death | Notes |
| Clarence D. Clark | 1890-1893 | Evanston | NY, 1851 | Evanston, 1930 |
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| Henry A. Coffeen | 1893-1895 | Sheridan | OH, 1841 | Sheridan, 1912 |
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| Frank W. Mondell (R) | 1895-1897 | Newcastle | MO, 1860 | DC, 1939 |
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| John E. Osborne (D) | 1897-1899 | Rawlins | NY, 1858 | Rawlins, 1943 |
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| Frank W. Mondell (R) | 1899-1923 | Newcastle | MO, 1860 | DC, 1939 |
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| Charles E. Winter | 1923-1929 | Casper | IA, 1870 | Casper, 1948 |
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| Vincent M. Carter (R) | 1929-1935 | Cheyenne | PA, 1891 | NM, 1972 |
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| Paul Greever | 1935-1939 | Cody | KS, 1891 | Cody, 1943 |
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| Frank O. Horton (R) | 1939-1941 | Saddlestring | IA, 1882 | Sheridan, 1948 |
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| John J. McIntyre (D) | 1943-1951 | Douglas | OK, 1904 | Cheyenne, 1962 |
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| Frank A. Barrett (R) | 1943-1951 | Lusk | NE, 1892 | Cheyenne, 1962 |
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| William Henry Harrison (R) | 1951-1955 | Sheridan | IN, 1896 | FL, 1990 |
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| E. Keith Thomson (R) | 1955-1960 | Cheyenne | Newcastle, 1919 | Cody, 1960 |
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| William Henry Harrison (R) | 1961-1965 | Sheridan | IN, 1896 | FL, 1990 |
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| Teno Roncalio (D) | 1965-1967 | Cheyenne | Rock Springs, 1916 | Cheyenne, 2003 |
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| William Henry Harrison (R) | 1967-1969 | Sheridan | IN, 1896 | FL, 1990 |
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| John S. Wold (R) | 1969-1971 | Casper | NJ, 1916 |
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| Teno Roncalio (D) | 1971-1979 | Cheyenne | Rock Springs, 1916 | Cheyenne, 2003 |
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| Dick Cheney (R) | 1979-1989 | Casper | NE, 1941 |
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| Craig L. Thomas (R) | 1989-1995 | Casper | Cody, 1933 |
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| Barbara Cubin (R) | 1995-2009 | Casper | CA, 1946 |
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| Cynthia Lummis (R) | 2009-2017 | Cheyenne | Cheyenne, 1954 |
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| Liz Cheney (R) | 2017- | | |
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