Members of the United States Congress since 1989 with last names starting with WXYZ.
| Wagner, Ann | House |
| Walberg, Tim | House House |
| Walden, Greg | House |
| Waldholtz, Enid | House |
| Walgren, Doug | House |
| Walker, Mark | House |
| Walker, Robert | House |
| Wallop, Malcolm | Senate |
| Walorski, Jackie | House |
| Walsh, James | House House |
| Walsh, Joe | House |
| Walsh, John | Senate |
| Walters, Mimi | House |
| Walz, Tim | House |
| Wamp, Zach | House |
| Ward, Mike | House |
| Warner, John | Senate |
| Warner, Mark | Senate |
| Warren, Elizabeth | Senate |
| Washington, Craig | House |
| Wasserman Schultz, Debbie | House House |
| Waters, Maxine | House House House |
| Watkins, Wes | House House |
| Watson, Diane | House House |
| Watson Coleman, Bonnie | House |
| Watt, Melvin | House |
| Watts, J | House |
| Waxman, Henry | House House House House |
| Webb, Jim | Senate |
| Weber, Randy | House |
| Weber, Vin | House |
| Webster, Daniel | House House House |
| Weiner, Anthony | House |
| Weiss, Theodore | House |
| Welch, Peter | House |
| Weldon, Curt | House |
| Weldon, Dave | House |
| Weller, Jerry | House House |
| Wellstone, Paul | Senate |
| Wenstrup, Brad | House |
| West, Allen | House |
| Westerman, Bruce | House |
| Westmoreland, Lynn | House |
| Wexler, Robert | House |
| Weygand, Robert | House |
| Wheat, Alan | House |
| White, Rick | House |
| Whitehouse, Sheldon | Senate |
| Whitfield, Ed | House |
| Whittaker, Bob | House |
| Whitten, Jamie | House |
| Wicker, Roger | House Senate |
| Wild, Susan | House |
| Williams, Pat | House House |
| Williams, Roger | House |
| Wilson, Charles | House |
| Wilson, Charlie | House |
| Wilson, Frederica | House House |
| Wilson, Heather | House |
| Wilson, Joe | House |
| Wilson, Pete | Senate |
| Wirth, Timothy | Senate |
| Wise, Bob | House House |
| Wittman, Robert | House |
| Wofford, Harris | Senate |
| Wolf, Frank | House |
| Wolpe, Howard | House |
| Womack, Steve | House |
| Woodall, Rob | House |
| Woolsey, Lynn | House |
| Wright, Jim | House |
| Wu, David | House |
| Wyden, Ron | House Senate |
| Wylie, Chalmers | House |
| Wynn, Albert | House |
| Yarmuth, John | House |
| Yates, Sidney | House |
| Yatron, Gus | House |
| Yoder, Kevin | House |
| Yoho, Ted | House |
| Young, Bill | House House House |
| Young, David | House |
| Young, Don | House |
| Young, Todd | House Senate |
| Zeldin, Lee | House |
| Zeliff, Bill | House |
| Zimmer, Dick | House |