| Wake FC | — | Holly Springs | 2012 | — |
| Washington Crossfire | USL League Two | — | 2002 | Redmond High School |
| Washington Darts | American Soccer League | Washington, D.C. | 1967 | Brookland Stadium |
| Washington Diplomats | North American Soccer League | Washington, D.C. | 1974 | Robert F. Kennedy Memorial Stadium |
| Washington Freedom | Women's Professional Soccer | — | 2001 | Maryland SoccerPlex |
| Washington Freedom Futures | USL W-League | — | 2009 | Maryland SoccerPlex |
| Washington Whips | North American Soccer League | Washington, D.C. | 1967 | Robert F. Kennedy Memorial Stadium |
| Waza Flo | Major Arena Soccer League | — | 2008 | Taylor Sportsplex |
| West Chester United SC | — | West Chester | 2017 | — |
| West Coast FC | Women's Premier Soccer League | — | 1997 | — |
| West Dallas Kings | USL League Two | — | 2001 | — |
| West Michigan Edge | USL League Two | — | 1995 | — |
| West Texas FC | National Premier Soccer League | Midland | 2008 | Astound Broadband Stadium |
| West Virginia Chaos | USL League Two | Charleston | 2003 | Schoenbaum Stadium |
| Westchester Flames | USL League Two | New York City | 1999 | City Park Stadium |
| Western Mass Pioneers | USL League Two | Ludlow | 1998 | Lusitano Stadium |
| Western New York Flash | National Women's Soccer League | Rochester | 2008 | Marina Auto Stadium |
| Wichita Wings | — | — | 1979 | Kansas Coliseum |
| Wichita Wings | Major Indoor Soccer League | — | 2011 | Hartman Arena |
| Willamette Valley Firebirds | USL League Two | — | 1992 | — |
| Wilmington Hammerheads FC | USL Championship, USL Second Division, USL League Two | Wilmington | 1996 | Legion Stadium |
| Wisconsin Rebels | USL League Two | — | 1998 | — |
| Worcester Kings | USL League Two | — | 2002 | — |