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|  | Gabbard, Tulsi | D | HI | U.S. House | 2013 – 2021 |
| | Gaetz, Matt | R | FL | U.S. House | 2017 – 2025 |
| | Galifianakis, Nick | D | NC | U.S. House | 1967 – 1973 |
| | Gallagher, Cornelius Edward | D | NJ | U.S. House | 1959 – 1973 |
| | Gallagher, James A. | R | PA | U.S. House | 1947 – 1949 |
| | Gallagher, Mike | R | WI | U.S. House | 2017 – 2025 |
| | Gallagher, William James | D | MN | U.S. House | 1945 – 1947 |
| | Gallegly, Elton | R | CA | U.S. House | 1987 – 2013 |
| | Gallego, Ruben | D | AZ | U.S. House | 2015 – 2025 |
| | Gallo, Dean Anderson | R | NJ | U.S. House | 1985 – 1995 |
| | Gamble, Ralph Abernethy | R | NY | U.S. House | 1937 – 1957 |
| | Gambrell, David Henry | D | GA | U.S. Senate | 1971 – 1972 |
| | Gammage, Robert Alton | D | TX | U.S. House | 1977 – 1979 |
| | Ganske, Greg | R | IA | U.S. House | 1995 – 2003 |
| | Garamendi, John | D | CA | U.S. House | 2009 – 2025 |
| | Garbarino, Andrew | R | NY | U.S. House | 2021 – 2025 |
| | Garcia, Jesus | D | IL | U.S. House | 2019 – 2025 |
| | Garcia, Joe | D | FL | U.S. House | 2013 – 2015 |
| | Garcia, Mike | R | CA | U.S. House | 2020 – 2025 |
| | Garcia, Robert | D | CA | U.S. House | 2023 – 2025 |
| | Garcia, Robert | D | NY | U.S. House | 1978 – 1990 |
| | Garcia, Sylvia | D | TX | U.S. House | 2019 – 2025 |
| | Gardner, Cory | R | CO | U.S. Senate | 2011 – 2021 |
| | Gardner, Edward Joseph | D | OH | U.S. House | 1945 – 1947 |
| | Gardner, James Carson | R | NC | U.S. House | 1967 – 1969 |
| | Garland, Peter Adams | R | ME | U.S. House | 1961 – 1963 |
| | Garmatz, Edward Alexander | D | MD | U.S. House | 1947 – 1973 |
| | Garn, Edwin Jacob (Jake) | R | UT | U.S. Senate | 1974 – 1993 |
| | Garrett, Scott | R | NJ | U.S. House | 2003 – 2017 |
| | Garrett, Tom | R | VA | U.S. House | 2017 – 2019 |
| | Gary, Julian Vaughan | D | VA | U.S. House | 1945 – 1965 |
| | Gathings, Ezekiel Candler | D | AR | U.S. House | 1945 – 1969 |
| | Gavin, Leon Harry | R | PA | U.S. House | 1945 – 1963 |
| | Gaydos, Joseph Matthew | D | PA | U.S. House | 1969 – 1993 |
| | Gearhart, Bertrand Wesley | R | CA | U.S. House | 1945 – 1949 |
| | Geelan, James Patrick | D | CT | U.S. House | 1945 – 1947 |
| | Gejdenson, Samuel | D | CT | U.S. House | 1981 – 2001 |
| | Gekas, George William | R | PA | U.S. House | 1983 – 2003 |
| | Gentry, Brady Preston | D | TX | U.S. House | 1953 – 1957 |
| | George, Myron Virgil | R | KS | U.S. House | 1950 – 1959 |
| | George, Newell Adolphus | D | KS | U.S. House | 1959 – 1961 |
| | George, Walter Franklin | D | GA | U.S. Senate | 1922 – 1957 |
| | Gephardt, Richard A. | D | MO | U.S. House | 1977 – 2005 |
| | Geren, Preston M. (Pete) | D | TX | U.S. House | 1989 – 1997 |
| | Gerlach, Charles Lewis | R | PA | U.S. House | 1945 – 1947 |
| | Gerlach, Jim | R | PA | U.S. House | 2003 – 2015 |
| | Gerry, Peter Goelet | D | RI | U.S. Senate | 1945 – 1947 |
| | Gettys, Thomas Smithwick | D | SC | U.S. House | 1964 – 1975 |
| | Giaimo, Robert Nicholas | D | CT | U.S. House | 1959 – 1981 |
| | Gianforte, Greg | R | MT | U.S. House | 2017 – 2021 |
| | Gibbons, Jim | R | NV | U.S. House | 1997 – 2007 |
| | Gibbons, Sam Melville | D | FL | U.S. House | 1963 – 1997 |
| | Gibbs, Bob | R | OH | U.S. House | 2011 – 2023 |
| | Gibson, Chris | R | NY | U.S. House | 2011 – 2017 |
| | Gibson, John Strickland | D | GA | U.S. House | 1945 – 1947 |
| | Gifford, Charles Laceille | R | MA | U.S. House | 1945 – 1947 |
| | Giffords, Gabrielle | D | AZ | U.S. House | 2007 – 2012 |
| | Gilbert, Jacob H. | D | NY | U.S. House | 1960 – 1972 |
| | Gilchrest, Wayne T. | R | MD | U.S. House | 1991 – 2009 |
| | Gill, Thomas Ponce | D | HI | U.S. House | 1963 – 1965 |
| | Gillespie, Dean Milton | R | CO | U.S. House | 1945 – 1947 |
| | Gillette, Guy Mark | D | IA | U.S. Senate | 1949 – 1955 |
| | Gillette, Wilson Darwin | R | PA | U.S. House | 1945 – 1953 |
| | Gillibrand, Kirsten | D | NY | U.S. Senate | 2007 – 2025 |
| | Gillie, George W. | R | IN | U.S. House | 1945 – 1949 |
| | Gilligan, John Joyce | D | OH | U.S. House | 1965 – 1967 |
| | Gillmor, Paul E. | R | OH | U.S. House | 1989 – 2007 |
| | Gilman, Benjamin A. | R | NY | U.S. House | 1973 – 2003 |
| | Gilmer, William Franklin (Dixie) | D | OK | U.S. House | 1949 – 1952 |
| | Gimenez, Carlos | R | FL | U.S. House | 2021 – 2025 |
| | Gingrey, Phil | R | GA | U.S. House | 2003 – 2015 |
| | Gingrich, Newton Leroy | R | GA | U.S. House | 1979 – 1999 |
| | Ginn, Ronald Bryan | D | GA | U.S. House | 1973 – 1983 |
| | Glass, Carter | D | VA | U.S. Senate | 1945 – 1946 |
| | Glenn, John Herschel | D | OH | U.S. Senate | 1975 – 1999 |
| | Glenn, Milton Willits | R | NJ | U.S. House | 1958 – 1965 |
| | Glickman, Daniel Robert | D | KS | U.S. House | 1977 – 1995 |
| | Goff, Abe McGregor | R | ID | U.S. House | 1947 – 1949 |
| | Gohmert, Louie | R | TX | U.S. House | 2005 – 2023 |
| | Golden, James Stephen | R | KY | U.S. House | 1949 – 1955 |
| | Golden, Jared | D | ME | U.S. House | 2019 – 2025 |
| | Goldman, Dan | D | NY | U.S. House | 2023 – 2025 |
| | Goldwater, Barry Morris, Jr. | R | CA | U.S. House | 1969 – 1983 |
| | Goldwater, Barry Morris | R | AZ | U.S. Senate | 1953 – 1987 |
| | Gomez, Jimmy | D | CA | U.S. House | 2017 – 2025 |
| | Gonzales, Tony | R | TX | U.S. House | 2021 – 2025 |
| | Gonzalez, Anthony | R | OH | U.S. House | 2019 – 2023 |
| | Gonzalez, Charlie | D | TX | U.S. House | 1999 – 2013 |
| | Gonzalez, Henry Barbosa | D | TX | U.S. House | 1962 – 2001 |
| | Gonzalez, Vicente | D | TX | U.S. House | 2017 – 2025 |
| | Good, Bob | R | VA | U.S. House | 2021 – 2025 |
| | Goode, Virgil H. Jr. | R | VA | U.S. House | 1997 – 2009 |
| | Goodell, Charles Ellsworth | R | NY | U.S. Senate | 1959 – 1971 |
| | Gooden, Lance | R | TX | U.S. House | 2019 – 2025 |
| | Goodlatte, Robert W. | R | VA | U.S. House | 1993 – 2019 |
| | Goodling, George Atlee | R | PA | U.S. House | 1961 – 1975 |
| | Goodling, William Franklin | R | PA | U.S. House | 1975 – 2001 |
| | Goodwin, Angier Louis | R | MA | U.S. House | 1945 – 1955 |
| | Gordon, Bart | D | TN | U.S. House | 1985 – 2011 |
| | Gordon, Thomas Sylvy | D | IL | U.S. House | 1945 – 1959 |
| | Gore, Albert Arnold, Jr | D | | U.S. Senate | 1977 – 2001 |
| | Gore, Albert Arnold | D | TN | U.S. Senate | 1939 – 1971 |
| | Gorski, Chester Charles | D | NY | U.S. House | 1949 – 1951 |
| | Gorski, Martin | D | IL | U.S. House | 1943 – 1949 |
| | Gorton, Slade | R | WA | U.S. Senate | 1981 – 2001 |
| | Gosar, Paul | R | AZ | U.S. House | 2011 – 2025 |
| | Goss, Porter J. | R | FL | U.S. House | 1989 – 2004 |
| | Gossett, Charles Clinton | D | ID | U.S. Senate | 1945 – 1947 |
| | Gossett, Ed Lee | D | TX | U.S. House | 1945 – 1953 |
| | Gottheimer, Josh | D | NJ | U.S. House | 2017 – 2025 |
| | Gowdy, Trey | R | SC | U.S. House | 2011 – 2019 |
| | Grabowski, Bernard Francis | D | CT | U.S. House | 1963 – 1967 |
| | Gradison, Willis David, Jr. | R | OH | U.S. House | 1975 – 1993 |
| | Graham, Bob | D | FL | U.S. Senate | 1987 – 2005 |
| | Graham, Frank Porter | D | NC | U.S. Senate | 1949 – 1950 |
| | Graham, Gwen | D | FL | U.S. House | 2015 – 2017 |
| | Graham, Lindsey | R | SC | U.S. Senate | 1995 – 2027 |
| | Graham, Louis Edward | R | PA | U.S. House | 1945 – 1955 |
| | Gramm, William | R | TX | U.S. Senate | 1979 – 2002 |
| | Grams, Rod | R | MN | U.S. Senate | 1993 – 2001 |
| | Granahan, Kathryn Elizabeth | D | PA | U.S. House | 1957 – 1963 |
| | Granahan, William Thomas | D | PA | U.S. House | 1945 – 1956 |
| | Grandy, Frederick Lawrence | R | IA | U.S. House | 1987 – 1995 |
| | Granger, Kay | R | TX | U.S. House | 1997 – 2025 |
| | Granger, Walter Keil | D | UT | U.S. House | 1945 – 1953 |
| | Grant, George McInvale | D | AL | U.S. House | 1945 – 1965 |
| | Grant, James William | R | FL | U.S. House | 1987 – 1991 |
| | Grant, Robert Allen | R | IN | U.S. House | 1939 – 1949 |
| | Grassley, Charles | R | IA | U.S. Senate | 1975 – 2029 |
| | Grasso, Ella Tambussi | D | CT | U.S. House | 1971 – 1975 |
| | Gravel, Maurice Robert (Mike) | D | AK | U.S. Senate | 1969 – 1981 |
| | Graves, Garret | R | LA | U.S. House | 2015 – 2025 |
| | Graves, Sam | R | MO | U.S. House | 2001 – 2025 |
| | Graves, Tom | R | GA | U.S. House | 2010 – 2020 |
| | Gray, Kenneth James | D | IL | U.S. House | 1955 – 1989 |
| | Gray, William Herbert, III | D | PA | U.S. House | 1979 – 1991 |
| | Grayson, Alan | D | FL | U.S. House | 2009 – 2017 |
| | Green, Al | D | TX | U.S. House | 2005 – 2025 |
| | Green, Edith Starrett | D | OR | U.S. House | 1955 – 1975 |
| | Green, Gene | D | TX | U.S. House | 1993 – 2019 |
| | Green, Mark | R | TN | U.S. House | 2019 – 2025 |
| | Green, Mark | R | WI | U.S. House | 1999 – 2007 |
| | Green, Sedgwick William | R | NY | U.S. House | 1978 – 1993 |
| | Green, Theodore Francis | D | RI | U.S. Senate | 1943 – 1961 |
| | Green, William Joseph, Jr. | D | PA | U.S. House | 1945 – 1963 |
| | Greene, Marjorie Taylor | R | GA | U.S. House | 2021 – 2025 |
| | Greenwood, Ernest | D | NY | U.S. House | 1951 – 1953 |
| | Greenwood, James C. | R | PA | U.S. House | 1993 – 2005 |
| | Gregg, Judd | R | NH | U.S. Senate | 1981 – 2011 |
| | Gregory, Noble Jones | D | KY | U.S. House | 1945 – 1959 |
| | Greigg, Stanley Lloyd | D | IA | U.S. House | 1965 – 1967 |
| | Grider, George William | D | TN | U.S. House | 1965 – 1967 |
| | Griffin, Charles Hudson | D | MS | U.S. House | 1968 – 1973 |
| | Griffin, Robert Paul | R | MI | U.S. Senate | 1957 – 1979 |
| | Griffin, Tim | R | AR | U.S. House | 2011 – 2015 |
| | Griffith, Morgan | R | VA | U.S. House | 2011 – 2025 |
| | Griffith, Parker | D | AL | U.S. House | 2009 – 2011 |
| | Griffiths, Martha Wright | D | MI | U.S. House | 1955 – 1975 |
| | Griffiths, Percy Wilfred | R | OH | U.S. House | 1945 – 1949 |
| | Grijalva, Raul | D | AZ | U.S. House | 2003 – 2025 |
| | Grimm, Michael G. | R | NY | U.S. House | 2011 – 2015 |
| | Grisham, Wayne Richard | R | CA | U.S. House | 1979 – 1983 |
| | Griswold, Dwight Palmer | R | NE | U.S. Senate | 1953 – 1954 |
| | Gross, Chester Heilman | R | PA | U.S. House | 1945 – 1949 |
| | Gross, Harold Royce | R | IA | U.S. House | 1949 – 1975 |
| | Grotberg, John | R | IL | U.S. House | 1985 – 1987 |
| | Grothman, Glenn | R | WI | U.S. House | 2015 – 2025 |
| | Grover, James Russell, Jr. | R | NY | U.S. House | 1963 – 1975 |
| | Grucci, Felix | R | NY | U.S. House | 2001 – 2003 |
| | Gruening, Ernest | D | AK | U.S. Senate | 1959 – 1969 |
| | Guarini, Frank Joseph, Jr. | D | NJ | U.S. House | 1979 – 1993 |
| | Gubser, Charles Samuel | R | CA | U.S. House | 1953 – 1975 |
| | Gude, Gilbert | R | MD | U.S. House | 1967 – 1977 |
| | Gudger, Vonno Lamar, Jr. | D | NC | U.S. House | 1977 – 1981 |
| | Guest, Michael | R | MS | U.S. House | 2019 – 2025 |
| | Guffey, Joseph F | D | PA | U.S. Senate | 1945 – 1947 |
| | Guill, Ben Hugh | R | TX | U.S. House | 1950 – 1951 |
| | Guinta, Frank C. | R | NH | U.S. House | 2011 – 2017 |
| | Gunderson, Steven Craig | R | WI | U.S. House | 1981 – 1997 |
| | Gunter, William Dawson, Jr. | D | FL | U.S. House | 1973 – 1975 |
| | Gurney, Edward John | R | FL | U.S. Senate | 1963 – 1975 |
| | Gurney, John Chandler (Chan) | R | SD | U.S. Senate | 1945 – 1951 |
| | Guthrie, Brett | R | KY | U.S. House | 2009 – 2025 |
| | Gutiérrez, Luis V. | D | IL | U.S. House | 1993 – 2019 |
| | Gutknecht, Gil | R | MN | U.S. House | 1995 – 2007 |
| | Guyer, Tennyson | R | OH | U.S. House | 1973 – 1981 |
| | Gwinn, Ralph Waldo | R | NY | U.S. House | 1945 – 1959 |
| | Gwynne, John Williams | R | IA | U.S. House | 1935 – 1949 |
| | Lujan Grisham, Michelle | D | NM | U.S. House | 2013 – 2019 |
| | Temporary West Virginia Senator Named | D | WV | U.S. Senate | 2010 – 2010 |