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|  | Coleman, Bonnie Watson | D | NJ | U.S. House | 2015 – 2023 |
| | Schultz, Debbie Wasserman | D | FL | U.S. House | 2005 – 2025 |
| | Wadsworth, James Wolcott, Jr | R | NY | U.S. House | 1945 – 1952 |
| | Waggonner, Joseph David, Jr. | D | LA | U.S. House | 1962 – 1979 |
| | Wagner, Ann | R | MO | U.S. House | 2013 – 2023 |
| | Wagner, Earl Thomas | D | OH | U.S. House | 1949 – 1952 |
| | Wagner, Robert Ferdinand | D | NY | U.S. Senate | 1927 – 1949 |
| | Wainwright, Stuyvesant, II | R | NY | U.S. House | 1953 – 1961 |
| | Walberg, Tim | R | MI | U.S. House | 2007 – 2023 |
| | Walden, Greg | R | OR | U.S. House | 1999 – 2021 |
| | Waldholtz, Enid Greene | R | UT | U.S. House | 1995 – 1997 |
| | Waldie, Jerome Russell | D | CA | U.S. House | 1966 – 1975 |
| | Waldon, Alton R., Jr. | D | NY | U.S. House | 1986 – 1987 |
| | Walgren, Douglas | D | PA | U.S. House | 1977 – 1991 |
| | Walker, E.S. Johnny | D | NM | U.S. House | 1965 – 1969 |
| | Walker, Mark | R | NC | U.S. House | 2015 – 2021 |
| | Walker, Prentiss Lafayette | R | MS | U.S. House | 1965 – 1967 |
| | Walker, Robert Smith | R | PA | U.S. House | 1977 – 1997 |
| | Wallgren, Monrad Charles | D | WA | U.S. Senate | 1933 – 1945 |
| | Wallhauser, George Marvin | R | NJ | U.S. House | 1959 – 1965 |
| | Wallop, Malcolm | R | WY | U.S. Senate | 1977 – 1995 |
| | Walorski, Jackie | R | IN | U.S. House | 2013 – 2022 |
| | Walsh, David Ignatius | D | MA | U.S. Senate | 1945 – 1947 |
| | Walsh, James T. | R | NY | U.S. House | 1989 – 2009 |
| | Walsh, Joe | R | IL | U.S. House | 2011 – 2013 |
| | Walsh, John Richard | D | IN | U.S. House | 1949 – 1952 |
| | Walsh, William Francis | R | NY | U.S. House | 1973 – 1979 |
| | Walter, Francis Eugene | D | PA | U.S. House | 1933 – 1963 |
| | Walters, Herbert Sanford | D | TN | U.S. Senate | 1963 – 1964 |
| | Walters, Mimi | R | CA | U.S. House | 2015 – 2019 |
| | Waltz, Michael | R | FL | U.S. House | 2019 – 2023 |
| | Walz, Tim | D | MN | U.S. House | 2007 – 2019 |
| | Wamp, Zach | R | TN | U.S. House | 1995 – 2011 |
| | Wampler, Fred | D | IN | U.S. House | 1959 – 1961 |
| | Wampler, William Creed | R | VA | U.S. House | 1953 – 1983 |
| | Warburton, Herbert Birchby | R | DE | U.S. House | 1953 – 1955 |
| | Ward, Michael Delavan | D | KY | U.S. House | 1995 – 1997 |
| | Ware, John Haines, III | R | PA | U.S. House | 1970 – 1975 |
| | Warner, John W. | R | VA | U.S. Senate | 1979 – 2009 |
| | Warner, Mark | D | VA | U.S. Senate | 2009 – 2027 |
| | Warren, Elizabeth | D | MA | U.S. Senate | 2013 – 2025 |
| | Washington, Craig Anthony | D | TX | U.S. House | 1989 – 1995 |
| | Washington, Harold | D | IL | U.S. House | 1981 – 1983 |
| | Wasielewski, Thaddeus Francis Boleslaw | D | WI | U.S. House | 1945 – 1947 |
| | Waters, Maxine | D | CA | U.S. House | 1991 – 2023 |
| | Watkins, Arthur Vivian | R | UT | U.S. Senate | 1947 – 1959 |
| | Watkins, George Robert | R | PA | U.S. House | 1965 – 1970 |
| | Watkins, Steve | R | KS | U.S. House | 2019 – 2021 |
| | Watkins, Wesley Wade | R | OK | U.S. House | 1977 – 2003 |
| | Watson, Albert William | R | SC | U.S. House | 1963 – 1971 |
| | Watson, Diane | D | CA | U.S. House | 2001 – 2011 |
| | Watt, Melvin | D | NC | U.S. House | 1993 – 2014 |
| | Watts, J. C. | R | OK | U.S. House | 1995 – 2003 |
| | Watts, John Clarence | D | KY | U.S. House | 1951 – 1971 |
| | Waxman, Henry A. | D | CA | U.S. House | 1975 – 2015 |
| | Weaver, James Dorman | R | PA | U.S. House | 1963 – 1965 |
| | Weaver, James Howard | D | OR | U.S. House | 1975 – 1987 |
| | Weaver, Phillip Hart | R | NE | U.S. House | 1955 – 1963 |
| | Weaver, Zebulon | D | NC | U.S. House | 1945 – 1947 |
| | Webb, Jim | D | VA | U.S. Senate | 2007 – 2013 |
| | Weber, Edward Ford | R | OH | U.S. House | 1981 – 1983 |
| | Weber, John Vincent | R | MN | U.S. House | 1981 – 1993 |
| | Weber, Randy | R | TX | U.S. House | 2013 – 2023 |
| | Webster, Daniel | R | FL | U.S. House | 2011 – 2023 |
| | Weichel, Alvin F. | R | OH | U.S. House | 1945 – 1955 |
| | Weicker, Lowell Palmer, Jr | R | CT | U.S. Senate | 1969 – 1989 |
| | Weiner, Anthony | D | NY | U.S. House | 1999 – 2011 |
| | Weis, Jessica McCullough | R | NY | U.S. House | 1959 – 1963 |
| | Weiss, Samuel Arthur | D | PA | U.S. House | 1945 – 1946 |
| | Weiss, Theodore S. | D | NY | U.S. House | 1977 – 1993 |
| | Welch, Peter | D | VT | U.S. House | 2007 – 2029 |
| | Welch, Philip James | D | MO | U.S. House | 1949 – 1953 |
| | Welch, Richard Joseph | R | CA | U.S. House | 1926 – 1949 |
| | Weldon, Curt | R | PA | U.S. House | 1987 – 2007 |
| | Weldon, Dave | R | FL | U.S. House | 1995 – 2009 |
| | Welker, Herman | R | ID | U.S. Senate | 1951 – 1957 |
| | Weller, Jerry | R | IL | U.S. House | 1995 – 2009 |
| | Wellstone, Paul David | D | MN | U.S. Senate | 1991 – 2002 |
| | Weltner, Charles Longstreet | D | GA | U.S. House | 1963 – 1967 |
| | Wenstrup, Brad | R | OH | U.S. House | 2013 – 2023 |
| | Werdel, Thomas Harold | R | CA | U.S. House | 1949 – 1953 |
| | West, Allen B. | R | FL | U.S. House | 2011 – 2013 |
| | West, Milton Horace | D | TX | U.S. House | 1945 – 1948 |
| | Westerman, Bruce | R | AR | U.S. House | 2015 – 2023 |
| | Westland, Alfred John | R | WA | U.S. House | 1953 – 1965 |
| | Westmoreland, Lynn | R | GA | U.S. House | 2005 – 2017 |
| | Wexler, Robert | D | FL | U.S. House | 1997 – 2010 |
| | Wexton, Jennifer | D | VA | U.S. House | 2019 – 2023 |
| | Weygand, Robert A. | D | RI | U.S. House | 1997 – 2001 |
| | Whalen, Charles William, Jr. | R | OH | U.S. House | 1967 – 1979 |
| | Whalley, John Irving | R | PA | U.S. House | 1961 – 1973 |
| | Wharton, James Ernest | R | NY | U.S. House | 1951 – 1965 |
| | Wheat, Alan Dupree | D | MO | U.S. House | 1983 – 1995 |
| | Wheeler, Burton Kendall | D | MT | U.S. Senate | 1923 – 1947 |
| | Wheeler, William McDonald | D | GA | U.S. House | 1947 – 1955 |
| | Wherry, Kenneth Spicer | R | NE | U.S. Senate | 1943 – 1951 |
| | Whitaker, John Albert | D | KY | U.S. House | 1948 – 1951 |
| | White, Cecil Fielding | D | CA | U.S. House | 1949 – 1952 |
| | White, Compton Ignatius, Jr. | D | ID | U.S. House | 1963 – 1967 |
| | White, Compton Ignatius | D | ID | U.S. House | 1945 – 1952 |
| | White, Richard Alan (Rick) | R | WA | U.S. House | 1995 – 1999 |
| | White, Richard Crawford | D | TX | U.S. House | 1965 – 1983 |
| | White, Wallace Humphrey, Jr | R | ME | U.S. Senate | 1917 – 1949 |
| | Whitehouse, Sheldon | D | RI | U.S. Senate | 2007 – 2025 |
| | Whitehurst, George William | R | VA | U.S. House | 1969 – 1987 |
| | Whitener, Basil Lee | D | NC | U.S. House | 1957 – 1969 |
| | Whitfield, Edward | R | KY | U.S. House | 1995 – 2016 |
| | Whitley, Charles Orville | D | NC | U.S. House | 1977 – 1987 |
| | Whittaker, Robert Russell | R | KS | U.S. House | 1979 – 1991 |
| | Whitten, Jamie Lloyd | D | MS | U.S. House | 1941 – 1995 |
| | Whittington, William Madison | D | MS | U.S. House | 1945 – 1952 |
| | Wicker, Roger | R | MS | U.S. Senate | 1995 – 2025 |
| | Wickersham, Victor Eugene | D | OK | U.S. House | 1941 – 1965 |
| | Widnall, William Beck | R | NJ | U.S. House | 1950 – 1975 |
| | Wier, Roy William | D | MN | U.S. House | 1949 – 1961 |
| | Wiggins, Charles Edward | R | CA | U.S. House | 1967 – 1979 |
| | Wigglesworth, Richard Bowditch | R | MA | U.S. House | 1945 – 1958 |
| | Wild, Susan | D | PA | U.S. House | 2018 – 2023 |
| | Wiley, Alexander | R | WI | U.S. Senate | 1945 – 1963 |
| | Williams, Harrison Arlington, Jr | D | NJ | U.S. Senate | 1954 – 1982 |
| | Williams, John Bell | D | MS | U.S. House | 1947 – 1968 |
| | Williams, John James | R | DE | U.S. Senate | 1947 – 1970 |
| | Williams, John Patrick | D | MT | U.S. House | 1979 – 1997 |
| | Williams, Lawrence Gordon | R | PA | U.S. House | 1967 – 1975 |
| | Williams, Lyle | R | OH | U.S. House | 1979 – 1985 |
| | Williams, Nikema | D | GA | U.S. House | 2021 – 2023 |
| | Williams, Roger | R | TX | U.S. House | 2013 – 2023 |
| | Williams, William Robert | R | NY | U.S. House | 1951 – 1959 |
| | Willis, Edwin Edward | D | LA | U.S. House | 1949 – 1969 |
| | Willis, Raymond Eugene | R | IN | U.S. Senate | 1941 – 1947 |
| | Wilson, Charles Herbert | D | CA | U.S. House | 1963 – 1981 |
| | Wilson, Charles | D | TX | U.S. House | 1973 – 1997 |
| | Wilson, Charlie | D | OH | U.S. House | 2007 – 2011 |
| | Wilson, Earl | R | IN | U.S. House | 1945 – 1965 |
| | Wilson, Frederica | D | FL | U.S. House | 2011 – 2023 |
| | Wilson, George Allison | R | IA | U.S. Senate | 1943 – 1949 |
| | Wilson, George Howard | D | OK | U.S. House | 1949 – 1952 |
| | Wilson, Heather A. | R | NM | U.S. House | 1998 – 2009 |
| | Wilson, Joe | R | SC | U.S. House | 2001 – 2023 |
| | Wilson, Joseph Franklin | D | TX | U.S. House | 1947 – 1955 |
| | Wilson, Pete | R | CA | U.S. Senate | 1983 – 1991 |
| | Wilson, Robert Carlton | R | CA | U.S. House | 1953 – 1981 |
| | Winn, Edward Lawrence, Jr. (Larry) | R | KS | U.S. House | 1967 – 1985 |
| | Winstead, William Arthur | D | MS | U.S. House | 1943 – 1965 |
| | Winter, Thomas Daniel | R | KS | U.S. House | 1945 – 1947 |
| | Wirth, Timothy E | D | CO | U.S. Senate | 1975 – 1993 |
| | Wise, Robert Ellsworth | D | WV | U.S. House | 1983 – 2001 |
| | Withers, Garrett Lee | D | KY | U.S. House | 1949 – 1953 |
| | Withrow, Gardner Robert | R | WI | U.S. House | 1949 – 1961 |
| | Wittman, Rob | R | VA | U.S. House | 2007 – 2023 |
| | Wofford, Harris | D | PA | U.S. Senate | 1991 – 1995 |
| | Wofford, Thomas Albert | D | SC | U.S. Senate | 1956 – 1956 |
| | Wolcott, Jesse Paine | R | MI | U.S. House | 1945 – 1957 |
| | Wold, John Schiller | R | WY | U.S. House | 1969 – 1972 |
| | Wolf, Frank R. | R | VA | U.S. House | 1981 – 2015 |
| | Wolf, Leonard George | D | IA | U.S. House | 1959 – 1961 |
| | Wolfenden, James | R | PA | U.S. House | 1945 – 1947 |
| | Wolff, Lester Lionel | D | NY | U.S. House | 1965 – 1981 |
| | Wolpe, Howard Eliot, III | D | MI | U.S. House | 1979 – 1993 |
| | Wolverton, Charles Anderson | R | NJ | U.S. House | 1945 – 1959 |
| | Womack, Steve | R | AR | U.S. House | 2011 – 2023 |
| | Wood, John Stephens | D | GA | U.S. House | 1945 – 1953 |
| | Wood, John Travers | R | ID | U.S. House | 1951 – 1953 |
| | Woodall, Rob | R | GA | U.S. House | 2011 – 2021 |
| | Woodhouse, Chase Going | D | CT | U.S. House | 1945 – 1952 |
| | Woodruff, Roy Orchard | R | MI | U.S. House | 1945 – 1953 |
| | Woodrum, Clifton Alexander | D | VA | U.S. House | 1945 – 1945 |
| | Woolsey, Lynn | D | CA | U.S. House | 1993 – 2013 |
| | Worley, Francis Eugene | D | TX | U.S. House | 1941 – 1950 |
| | Wortley, George Cornelius | R | NY | U.S. House | 1981 – 1989 |
| | Wright, James Claude, Jr. | D | TX | U.S. House | 1955 – 1989 |
| | Wright, Ron | R | TX | U.S. House | 2019 – 2021 |
| | Wu, David | D | OR | U.S. House | 1999 – 2011 |
| | Wyatt, Joseph Peyton, Jr. | D | TX | U.S. House | 1979 – 1981 |
| | Wyatt, Wendell | R | OR | U.S. House | 1964 – 1975 |
| | Wyden, Ron | D | OR | U.S. Senate | 1981 – 2023 |
| | Wydler, John Waldemar | R | NY | U.S. House | 1963 – 1981 |
| | Wylie, Chalmers Pangburn | R | OH | U.S. House | 1967 – 1993 |
| | Wyman, Louis Crosby | R | NH | U.S. House | 1963 – 1975 |
| | Wynn, Albert R. | D | MD | U.S. House | 1993 – 2008 |