Alphabetical listing of Places in South Dakota
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Wagner | city | South Dakota | United States | 43.08 | -98.29 | 1669 | |
| Wakonda | city | South Dakota | United States | 43.01 | -97.11 | 1669 | |
| Wakpala | city | South Dakota | United States | 45.66 | -100.54 | 1696 | |
| Wakpamani | city | South Dakota | United States | 43.12 | -102.15 | 3398 | |
| Walker | city | South Dakota | United States | 45.91 | -101.09 | 2509 | |
| Wall | city | South Dakota | United States | 43.99 | -102.24 | 2801 | |
| Wallace | city | South Dakota | United States | 45.09 | -97.48 | 1801 | |
| Wanblee | city | South Dakota | United States | 43.57 | -101.66 | 2673 | |
| Warbonnet | city | South Dakota | United States | 44.00 | -103.13 | 3349 | |
| Ward | city | South Dakota | United States | 44.15 | -96.46 | 1758 | |
| Warner | city | South Dakota | United States | 45.33 | -98.50 | 1669 | |
| Wasta | city | South Dakota | United States | 44.07 | -102.45 | 2509 | |
| Watauga | city | South Dakota | United States | 45.92 | -101.54 | 2509 | |
| Watertown | city | South Dakota | United States | 44.90 | -97.12 | 1732 | |
| Waubay | city | South Dakota | United States | 45.33 | -97.31 | 1811 | |
| Waverly | city | South Dakota | United States | 45.00 | -96.97 | 1971 | |
| Webster | city | South Dakota | United States | 45.33 | -97.52 | 1824 | |
| Webster Grove Addition | city | South Dakota | United States | 43.55 | -96.81 | 1669 | |
| Wecota | city | South Dakota | United States | 45.17 | -99.12 | 1669 | |
| Wendte | city | South Dakota | United States | 44.24 | -100.67 | 1669 | |
| Wentworth | city | South Dakota | United States | 44.00 | -96.96 | 1702 | |
| Wessington | city | South Dakota | United States | 44.45 | -98.70 | 1669 | |
| Wessington Springs | city | South Dakota | United States | 44.08 | -98.57 | 1669 | |
| West Acres Development | city | South Dakota | United States | 43.55 | -96.87 | 1669 | |
| West Britton | city | South Dakota | United States | 45.79 | -97.84 | 1669 | |
| West Fork | city | South Dakota | United States | 44.45 | -101.55 | 2024 | |
| Westover | city | South Dakota | United States | 43.75 | -100.67 | 1768 | |
| Westport | city | South Dakota | United States | 45.65 | -98.50 | 1669 | |
| Westreville | city | South Dakota | United States | 42.92 | -97.02 | 1669 | |
| Westwood Colony | city | South Dakota | United States | 45.89 | -97.78 | 1669 | |
| Weta | city | South Dakota | United States | 43.77 | -101.72 | 2509 | |
| Wetonka | city | South Dakota | United States | 45.63 | -98.77 | 1669 | |
| Wewela | city | South Dakota | United States | 43.01 | -99.78 | 2509 | |
| Wheeler (historical) | city | South Dakota | United States | 43.16 | -98.84 | 1669 | |
| White | city | South Dakota | United States | 44.43 | -96.65 | 1781 | |
| White Butte | city | South Dakota | United States | 45.94 | -102.36 | 2509 | |
| White Horse | city | South Dakota | United States | 43.31 | -100.60 | 2595 | |
| White Lake | city | South Dakota | United States | 43.73 | -98.71 | 1669 | |
| White Owl | city | South Dakota | United States | 44.59 | -102.43 | 2801 | |
| White River | city | South Dakota | United States | 43.57 | -100.75 | 2509 | |
| White Rock | city | South Dakota | United States | 45.92 | -96.57 | 977 | |
| White Rock Colony | city | South Dakota | United States | 45.91 | -96.62 | 1003 | |
| Whitehorse | city | South Dakota | United States | 45.27 | -100.89 | 1689 | |
| Whitewood | city | South Dakota | United States | 44.46 | -103.64 | 4189 | |
| Wicksville | city | South Dakota | United States | 44.10 | -102.59 | 3349 | |
| Wildwood Addition | city | South Dakota | United States | 44.04 | -103.27 | 3572 | |
| Williams Subdivision | city | South Dakota | United States | 44.96 | -97.17 | 1709 | |
| Willow Lake | city | South Dakota | United States | 44.63 | -97.64 | 1755 | |
| Wilmot | city | South Dakota | United States | 45.41 | -96.86 | 1200 | |
| Winfred | city | South Dakota | United States | 44.00 | -97.36 | 1699 | |
| Winner | city | South Dakota | United States | 43.38 | -99.86 | 2017 | |
| Winship | city | South Dakota | United States | 45.92 | -98.52 | 1669 | |
| Witten | city | South Dakota | United States | 43.44 | -100.08 | 2030 | |
| Wolf Creek | city | South Dakota | United States | 43.35 | -97.62 | 1194 | |
| Wolsey | city | South Dakota | United States | 44.41 | -98.47 | 1669 | |
| Wood | city | South Dakota | United States | 43.50 | -100.48 | 2509 | |
| Woodville | city | South Dakota | United States | 44.29 | -103.76 | 5898 | |
| Woonsocket | city | South Dakota | United States | 44.05 | -98.28 | 1669 | |
| Worthing | city | South Dakota | United States | 43.33 | -96.76 | 1669 | |
| Wounded Knee | city | South Dakota | United States | 43.14 | -102.37 | 3349 | |
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