Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Oak Grove Church | Church | 104 | Tallahatchie | 34 01 42 N | 090 00 25 W |
| Oak Grove Church | Church | 52 | Tunica | 34 26 34 N | 090 18 25 W |
| Oak Grove Church | Church | 58 | Tunica | 34 36 47 N | 090 26 44 W |
| Oak Grove Church | Church | 57 | Tunica | 34 41 44 N | 090 18 19 W |
| Oak Grove Church | Church | 143 | Union | 34 25 26 N | 088 56 47 W |
| Oak Grove Church | Church | 126 | Walthall | 31 11 15 N | 090 12 31 W |
| Oak Grove Church | Church | 50 | Wilkinson | 31 20 23 N | 091 15 53 W |
| Oak Grove Church | Church | 134 | Winston | 32 55 54 N | 088 59 19 W |
| Oak Grove Church | Church | 104 | Yazoo | 32 33 11 N | 090 35 32 W |
| Oak Grove Church | Church | 100 | Yazoo | 32 48 41 N | 090 14 21 W |
| Oak Grove Church | Church | 29 | Yazoo | 32 48 55 N | 090 41 11 W |
| Oak Grove Church (historical) | Church | 85 | Amite | 31 04 31 N | 090 50 33 W |
| Oak Grove Church (historical) | Church | 47 | Coahoma | 34 06 36 N | 090 35 24 W |
| Oak Grove Church (historical) | Church | 82 | Lauderdale | 32 34 05 N | 088 34 13 W |
| Oak Grove Church (historical) | Church | 109 | Wayne | 31 49 26 N | 088 53 18 W |
| Oak Grove Lake | Lake | 162 | Tippah | 34 54 31 N | 088 59 46 W |
| Oak Grove Line School (historical) | School | 98 | Covington | 31 30 16 N | 089 24 06 W |
| Oak Grove Memorial Gardens | Cemetery | 173 | Lafayette | 34 23 54 N | 089 24 30 W |
| Oak Grove Park (subdivision) | Populated Place | 79 | Lee | 34 12 07 N | 088 39 52 W |
| Oak Grove School | School | 157 | Alcorn | 34 49 40 N | 088 36 32 W |
| Oak Grove School | School | 105 | Holmes | 33 15 24 N | 090 02 00 W |
| Oak Grove School | School | 16 | Jackson | 30 40 49 N | 088 34 42 W |
| Oak Grove School | School | 150 | Kemper | 32 53 51 N | 088 52 47 W |
| Oak Grove School | School | 184 | Tippah | 34 54 43 N | 089 00 05 W |
| Oak Grove School | School | 122 | Yalobusha | 34 07 26 N | 089 33 45 W |
| Oak Grove School (historical) | School | 101 | Chickasaw | 33 46 08 N | 088 57 54 W |
| Oak Grove School (historical) | School | 138 | Chickasaw | 34 02 18 N | 088 59 03 W |
| Oak Grove School (historical) | School | 62 | Clarke | 31 55 15 N | 088 42 49 W |
| Oak Grove School (historical) | School | 102 | DeSoto | 34 52 38 N | 090 04 41 W |
| Oak Grove School (historical) | School | 111 | Kemper | 32 39 37 N | 088 33 46 W |
| Oak Grove School (historical) | School | 124 | Lafayette | 34 31 28 N | 089 41 10 W |
| Oak Grove School (historical) | School | 115 | Lafayette | 34 25 33 N | 089 41 29 W |
| Oak Grove School (historical) | School | 109 | Lauderdale | 32 25 58 N | 088 44 44 W |
| Oak Grove School (historical) | School | 138 | Lincoln | 31 33 28 N | 090 20 21 W |
| Oak Grove School (historical) | School | 154 | Newton | 32 23 05 N | 088 58 02 W |
| Oak Grove School (historical) | School | 85 | Perry | 31 02 25 N | 088 58 25 W |
| Oak Grove School (historical) | School | 36 | Sunflower | 33 31 05 N | 090 41 38 W |
| Oak Grove School (historical) | School | 52 | Tunica | 34 27 00 N | 090 18 18 W |
| Oak Grove School (historical) | School | 108 | Wayne | 31 48 48 N | 088 54 05 W |
| Oak Grove School (historical) | School | 77 | Wayne | 31 26 49 N | 088 42 10 W |
| Oak Grove Shool (historical) | School | 101 | Chickasaw | 33 46 08 N | 088 57 54 W |
| Oak Grove United Methodist Church | Church | 128 | Lamar | 31 17 18 N | 089 24 50 W |
| Oak Hill | Populated Place | 163 | Pontotoc | 34 19 22 N | 088 56 50 W |
| Oak Hill Academy | School | 74 | Clay | 33 37 01 N | 088 37 55 W |
| Oak Hill Branch | Stream | 123 | Tishomingo | 34 59 21 N | 088 22 00 W |
| Oak Hill Cemetery | Cemetery | 57 | Claiborne | 31 52 32 N | 091 11 46 W |
| Oak Hill Cemetery | Cemetery | 110 | Lee | 34 18 43 N | 088 39 52 W |
| Oak Hill Cemetery | Cemetery | 171 | Prentiss | 34 41 09 N | 088 36 43 W |
| Oak Hill Cemetery | Cemetery | 141 | Prentiss | 34 37 11 N | 088 40 30 W |
| Oak Hill Cemetery | Cemetery | 112 | Tallahatchie | 34 07 38 N | 089 56 34 W |
| Oak Hill Christian School (historical) | School | 148 | Alcorn | 34 58 09 N | 088 23 19 W |
| Oak Hill Church | Church | 162 | Alcorn | 34 54 57 N | 088 41 31 W |
| Oak Hill Church | Church | 134 | Alcorn | 34 59 41 N | 088 21 54 W |
| Oak Hill Church | Church | 112 | Covington | 31 41 48 N | 089 38 27 W |
| Oak Hill Church | Church | 90 | DeSoto | 34 44 34 N | 090 02 56 W |
| Oak Hill Church | Church | 123 | Lee | 34 18 40 N | 088 39 51 W |
| Oak Hill Church | Church | 96 | Pearl River | 30 51 58 N | 089 33 43 W |
| Oak Hill Church | Church | 171 | Pontotoc | 34 19 15 N | 088 56 53 W |
| Oak Hill Church | Church | 141 | Prentiss | 34 37 14 N | 088 40 30 W |
| Oak Hill Church | Church | 163 | Prentiss | 34 40 58 N | 088 36 14 W |
| Oak Hill Church | Church | 123 | Union | 34 32 51 N | 089 04 39 W |
| Oak Hill Church | Church | 96 | Yalobusha | 33 55 36 N | 089 47 07 W |
| Oak Hill Church (historical) | Church | 22 | Wilkinson | 31 09 01 N | 091 29 10 W |
| Oak Hill Lookout Tower | Tower | 171 | Pontotoc | 34 19 38 N | 088 56 59 W |
| Oak Hill School | School | 170 | Tippah | 34 46 23 N | 088 54 35 W |
| Oak Hill School (historical) | School | 112 | Covington | 31 41 46 N | 089 38 30 W |
| Oak Hill School (historical) | School | 94 | DeSoto | 34 44 33 N | 090 02 58 W |
| Oak Hill School (historical) | School | 96 | Marshall | 34 33 16 N | 089 25 20 W |
| Oak Hill School (historical) | School | 171 | Pontotoc | 34 19 17 N | 088 56 50 W |
| Oak Hill School (historical) | School | 141 | Prentiss | 34 37 25 N | 088 40 56 W |
| Oak Hill School (historical) | School | 120 | Rankin | 32 07 19 N | 090 01 14 W |
| Oak Hill School (historical) | School | 147 | Smith | 31 51 15 N | 089 38 30 W |
| Oak Lawn Cemetery | Cemetery | 81 | Stone | 30 42 55 N | 089 08 38 W |
| Oak Lawn Park | Cemetery | 76 | Monroe | 33 50 29 N | 088 34 56 W |
| Oak Leaf Church | Church | 60 | Noxubee | 33 07 21 N | 088 41 39 W |
| Oak Mill Hill | Summit | 208 | Tippah | 34 36 37 N | 088 46 47 W |
| Oak Park Elementary School | School | 68 | Jones | 31 40 23 N | 089 08 22 W |
| Oak Plaza Shopping Center | Locale | 100 | Madison | 32 25 59 N | 090 07 40 W |
| Oak Ridge | Populated Place | 115 | Warren | 32 28 53 N | 090 42 23 W |
| Oak Ridge | Ridge | 109 | Panola | 34 10 04 N | 089 47 14 W |
| Oak Ridge (historical) | Populated Place | 140 | Attala | 33 14 25 N | 089 30 30 W |
| Oak Ridge Cemetery | Cemetery | 134 | Attala | 33 14 37 N | 089 30 33 W |
| Oak Ridge Cemetery | Cemetery | 53 | Coahoma | 34 16 16 N | 090 38 08 W |
| Oak Ridge Cemetery | Cemetery | 126 | Yalobusha | 34 09 18 N | 089 36 42 W |
| Oak Ridge Church | Church | 120 | Amite | 31 16 17 N | 091 00 24 W |
| Oak Ridge Church | Church | 135 | Attala | 33 14 38 N | 089 30 36 W |
| Oak Ridge Church | Church | 51 | Coahoma | 34 17 08 N | 090 38 09 W |
| Oak Ridge Church | Church | 11 | Hancock | 30 27 14 N | 089 40 23 W |
| Oak Ridge Church | Church | 89 | Hinds | 32 14 44 N | 090 39 43 W |
| Oak Ridge Church | Church | 72 | Hinds | 32 14 57 N | 090 41 32 W |
| Oak Ridge Church | Church | 151 | Neshoba | 32 40 50 N | 089 10 22 W |
| Oak Ridge Church | Church | 148 | Prentiss | 34 37 43 N | 088 41 17 W |
| Oak Ridge Church | Church | 156 | Simpson | 31 45 32 N | 090 01 30 W |
| Oak Ridge Church | Church | 122 | Smith | 32 09 00 N | 089 24 19 W |
| Oak Ridge Church | Church | 116 | Yalobusha | 34 08 06 N | 089 41 45 W |
| Oak Ridge Hall School (historical) | School | 94 | Jones | 31 44 12 N | 089 23 35 W |
| Oak Ridge Lookout Tower | Tower | 104 | Warren | 32 26 52 N | 090 44 47 W |
| Oak Ridge Plantation (historical) | Locale | 63 | Claiborne | 32 08 16 N | 090 44 55 W |
| Oak Ridge School (historical) | School | 133 | Attala | 33 14 40 N | 089 30 33 W |
| Oak Ridge School (historical) | School | 53 | Coahoma | 34 16 23 N | 090 38 08 W |
| Oak Ridge School (historical) | School | 76 | Hinds | 32 14 53 N | 090 41 33 W |
| Oak Ridge School (historical) | School | 121 | Hinds | 32 04 17 N | 090 41 43 W |
| Oak Ridge School (historical) | School | 124 | Jefferson Davis | 31 34 13 N | 089 52 35 W |
| Oak Ridge School (historical) | School | 137 | Lincoln | 31 23 50 N | 090 25 53 W |
| Oak Ridge School (historical) | School | 160 | Tishomingo | 34 46 16 N | 088 18 17 W |
| Oak Ridge School (historical) | School | 109 | Warren | 32 28 33 N | 090 42 27 W |
| Oak Slush Creek | Stream | | Lowndes | 33 29 49 N | 088 28 24 W |
| Oak Springs Cemetery | Cemetery | 111 | Calhoun | 33 53 00 N | 089 17 35 W |
| Oak Springs Church | Church | 111 | Calhoun | 33 53 00 N | 089 17 35 W |
| Oak Square Park | Park | 38 | Claiborne | 31 57 16 N | 090 59 03 W |