Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Williams Flying Service Airport | Airport | 45 | Tallahatchie | 34 00 00 N | 090 25 30 W |
| Williams Graveyard Hill | Summit | 158 | Alcorn | 34 52 25 N | 088 47 33 W |
| Williams Lake | Reservoir | 110 | Calhoun | 34 05 09 N | 089 28 48 W |
| Williams Lake | Reservoir | 80 | Hinds | 32 23 45 N | 090 28 57 W |
| Williams Lake Dam | Dam | 63 | Clay | 33 35 42 N | 088 31 00 W |
| Williams Lake Dam | Dam | 92 | Grenada | 33 52 48 N | 089 51 48 W |
| Williams Lake Dam | Dam | 104 | Grenada | 33 53 42 N | 089 51 00 W |
| Williams Lake Dam | Dam | 105 | Hinds | 32 15 43 N | 090 21 18 W |
| Williams Lake Dam | Dam | 104 | Hinds | 32 15 55 N | 090 22 42 W |
| Williams Lake Dam | Dam | 80 | Hinds | 32 23 49 N | 090 28 54 W |
| Williams Lake Dam | Dam | 35 | Jefferson | 31 45 01 N | 091 11 00 W |
| Williams Lake Dam | Dam | 117 | Lincoln | 31 39 43 N | 090 26 24 W |
| Williams Lake Dam | Dam | 97 | Wayne | 31 43 43 N | 088 50 54 W |
| Williams Lake Dam | Dam | 108 | Yazoo | 32 49 00 N | 090 17 18 W |
| Williams Mill (historical) | Locale | 130 | Amite | 31 20 32 N | 090 41 25 W |
| Williams Plantation | Locale | 29 | Warren | 32 24 41 N | 090 57 30 W |
| Williams School (historical) | School | 117 | Hinds | 32 04 37 N | 090 40 27 W |
| Williams School (historical) | School | 54 | Hinds | 32 20 12 N | 090 33 51 W |
| Williams School (historical) | School | 77 | Monroe | 33 42 33 N | 088 33 57 W |
| Williams Spring | Spring | 117 | Choctaw | 33 24 22 N | 089 27 00 W |
| Williams Store (historical) | Locale | 96 | Clarke | 32 08 19 N | 088 44 54 W |
| Williams Store (historical) | Locale | 137 | Lauderdale | 32 28 03 N | 088 49 18 W |
| Williams Store (historical) | Locale | 127 | Newton | 32 28 23 N | 089 02 36 W |
| Williams Store (historical) | Locale | 90 | Wayne | 31 39 53 N | 088 50 00 W |
| Williams-Hill Family Cemetery | Cemetery | 96 | Lee | 34 14 00 N | 088 39 09 W |
| Williams-Wilson Cemetery | Cemetery | 97 | Amite | 31 02 25 N | 090 37 20 W |
| Williamsburg | Populated Place | 104 | Covington | 31 37 10 N | 089 36 38 W |
| Williamsburg (historical) | Locale | 133 | Leake | 32 39 05 N | 089 19 35 W |
| Williamsburg Baptist Church | Church | 112 | Covington | 31 37 16 N | 089 36 55 W |
| Williamsburg Catholic Church (historical) | Church | 103 | Covington | 31 37 04 N | 089 36 44 W |
| Williamsburg Cemetery | Cemetery | 110 | Covington | 31 37 15 N | 089 36 51 W |
| Williamsburg Cemetery | Cemetery | 100 | Covington | 31 37 01 N | 089 36 41 W |
| Williamsburg Colored School (historical) | School | 103 | Covington | 31 37 26 N | 089 36 45 W |
| Williamsburg General Cemetery | Cemetery | 105 | Covington | 31 37 19 N | 089 36 40 W |
| Williamsburg Methodist Church | Church | 101 | Covington | 31 37 03 N | 089 36 41 W |
| Williamsburg School (historical) | School | 102 | Covington | 31 37 09 N | 089 36 36 W |
| Williamson Bayou | Gut | 38 | Leflore | 33 36 35 N | 090 09 18 W |
| Williamson Cemetery | Cemetery | 132 | Covington | 31 36 53 N | 089 30 00 W |
| Williamson Cemetery | Cemetery | 69 | Jefferson Davis | 31 25 33 N | 089 54 07 W |
| Williamson Cemetery | Cemetery | 144 | Jefferson Davis | 31 45 54 N | 089 51 32 W |
| Williamson Cemetery | Cemetery | 128 | Jefferson Davis | 31 26 32 N | 089 39 49 W |
| Williamson Cemetery | Cemetery | 121 | Lamar | 31 25 17 N | 089 38 24 W |
| Williamson Lake Dam | Dam | 125 | Pike | 31 12 43 N | 090 23 54 W |
| Williamstown (historical) | Locale | 102 | Madison | 32 41 02 N | 089 44 01 W |
| Williamsville | Populated Place | 127 | Attala | 33 01 36 N | 089 34 01 W |
| Williamsville | Populated Place | 122 | Neshoba | 32 45 32 N | 089 08 37 W |
| Williamsville (historical) | Locale | 67 | Grenada | 33 47 23 N | 089 30 57 W |
| Williamsville Baptist Church | Church | 125 | Attala | 33 01 37 N | 089 33 56 W |
| Williamsville Church | Church | 110 | Grenada | 33 41 22 N | 089 52 15 W |
| Willie Cockran Estate Lake Dam | Dam | 45 | George | 30 51 31 N | 088 39 18 W |
| Willie Dumas Pond Dam | Dam | 120 | Leake | 32 35 06 N | 089 33 42 W |
| Willie Fortenberry Lake Dam | Dam | 84 | Jefferson Davis | 31 32 19 N | 089 38 42 W |
| Willie Holcomb Lake Dam | Dam | 17 | George | 30 46 01 N | 088 37 42 W |
| Willie Parker Lake Dam | Dam | 71 | Covington | 31 35 25 N | 089 30 42 W |
| Willing | Populated Place | 63 | Copiah | 31 57 40 N | 090 36 15 W |
| Willing Worker Cemetery | Cemetery | 36 | Sunflower | 33 32 40 N | 090 33 49 W |
| Willis | Populated Place | 47 | Coahoma | 34 08 25 N | 090 47 40 W |
| Willis Bayou | Stream | | Humphreys | 33 16 17 N | 090 36 24 W |
| Willis Branch | Stream | | Franklin | 31 28 27 N | 090 48 53 W |
| Willis Branch | Stream | | Wilkinson | 31 11 34 N | 091 12 59 W |
| Willis Branch Oil Field | Oilfield | 141 | Franklin | 31 32 31 N | 090 49 50 W |
| Willis Cemetery | Cemetery | 81 | Claiborne | 32 03 03 N | 090 57 50 W |
| Willis Creek | Stream | | Claiborne | 32 05 16 N | 090 57 54 W |
| Willis Creek | Stream | | Claiborne | 31 55 10 N | 090 55 41 W |
| Willis Heights Primitive Baptist Church | Church | 91 | Lee | 34 15 25 N | 088 43 47 W |
| Willis Slough | Gut | 15 | Pearl River | 30 36 43 N | 089 47 57 W |
| Willis Store (historical) | Locale | 46 | Coahoma | 34 00 55 N | 090 31 17 W |
| Williston | Populated Place | 114 | Leake | 32 45 43 N | 089 23 30 W |
| Willoughby | Populated Place | 143 | Newton | 32 32 50 N | 089 03 42 W |
| Willow Bayou | Gut | 25 | Warren | 32 28 33 N | 090 57 50 W |
| Willow Bayou | Stream | | Warren | 32 31 50 N | 090 58 53 W |
| Willow Bayou | Swamp | 25 | Warren | 32 24 24 N | 090 57 24 W |
| Willow Cove | Bay | 62 | Panola | 34 24 23 N | 089 48 13 W |
| Willow Cove Public Use Area | Park | 66 | Panola | 34 24 12 N | 089 47 55 W |
| Willow Glen Oil Field | Oilfield | 16 | Adams | 31 29 16 N | 091 26 35 W |
| Willow Grove Baptist Church | Church | 139 | Covington | 31 37 49 N | 089 29 05 W |
| Willow Grove Cemetery | Cemetery | 139 | Covington | 31 37 51 N | 089 29 04 W |
| Willow Grove Church | Church | 94 | Noxubee | 32 59 05 N | 088 41 08 W |
| Willow Grove School (historical) | School | 130 | Covington | 31 37 57 N | 089 28 52 W |
| Willow Lake | Lake | 43 | Quitman | 34 08 12 N | 090 13 32 W |
| Willow Lake | Swamp | 15 | Adams | 31 27 54 N | 091 28 40 W |
| Willow Lake Cut-Off | Bend | 45 | Quitman | 34 08 28 N | 090 13 02 W |
| Willow Lake Dam | Dam | 119 | Lauderdale | 32 26 19 N | 088 37 12 W |
| Willow Lake Dam | Dam | 131 | Lauderdale | 32 29 25 N | 088 41 54 W |
| Willow Lakes Dam | Dam | 125 | Lauderdale | 32 29 19 N | 088 41 48 W |
| Willow Park Cemetery | Cemetery | 87 | Hinds | 32 17 29 N | 090 13 11 W |
| Willow Point Landing | Locale | 29 | Issaquena | 32 36 46 N | 091 03 00 W |
| Willow Slough | Gut | 43 | Bolivar | 33 44 12 N | 091 04 44 W |
| Willow Slough | Gut | 43 | Bolivar | 33 48 19 N | 090 58 57 W |
| Willow Spring Church | Church | 61 | Panola | 34 10 26 N | 090 00 31 W |
| Willow Springs Methodist Church | Church | 85 | Claiborne | 32 02 10 N | 090 53 46 W |
| Willow Swamp | Swamp | 52 | Tunica | 34 29 38 N | 090 30 00 W |
| Willowdale Landing | Locale | 30 | Yazoo | 32 46 51 N | 090 31 06 W |
| Willowood (subdivision) | Populated Place | 110 | Hinds | 32 15 16 N | 090 17 50 W |
| Willowood Center | School | 100 | Hinds | 32 18 25 N | 090 12 11 W |
| Willows | Populated Place | 92 | Claiborne | 32 02 11 N | 090 53 46 W |
| Willows School (historical) | School | 86 | Claiborne | 32 02 25 N | 090 53 07 W |
| Willowtown | Populated Place | 120 | Covington | 31 37 56 N | 089 28 30 W |
| Willowwood Subdivision Lake Dam | Dam | 108 | Hinds | 32 15 31 N | 090 17 48 W |
| Wills Chapel | Church | 90 | Hinds | 32 24 55 N | 090 20 25 W |
| Willson Cemetery | Cemetery | 107 | Amite | 31 02 42 N | 090 35 53 W |
| Willy Pittman Pond Dam | Dam | 101 | Walthall | 31 00 49 N | 089 52 12 W |
| Wilmot | Populated Place | 35 | Washington | 33 18 18 N | 090 53 33 W |
| Wilmount Cemetery | Cemetery | 118 | Montgomery | 33 28 14 N | 089 37 06 W |
| Wilmount Church | Church | 131 | Montgomery | 33 28 38 N | 089 36 38 W |
| Wilnot Chapel (historical) | Church | 43 | Bolivar | 33 49 46 N | 090 40 25 W |
| Wilson (historical) | Populated Place | 68 | Greene | 31 11 06 N | 088 44 40 W |
| Wilson and Screws Landing | Locale | 30 | Yazoo | 32 42 52 N | 090 32 57 W |
| Wilson Attendance Center | School | 81 | Noxubee | 33 14 06 N | 088 34 30 W |
| Wilson Bayou | Gut | 46 | Quitman | 34 20 01 N | 090 17 21 W |