| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Iconium | city | Tennessee | United States | 35.78 | -86.02 | 1151 | |
| Idaho | city | Tennessee | United States | 35.09 | -87.29 | 830 | |
| Idaville | city | Tennessee | United States | 35.43 | -89.71 | 400 | |
| Ideal Valley | city | Tennessee | United States | 35.70 | -84.88 | 902 | |
| Idle Oaks | city | Tennessee | United States | 35.81 | -84.60 | 830 | |
| Idlewild | city | Tennessee | United States | 35.48 | -84.70 | 849 | |
| Idlewild | city | Tennessee | United States | 35.62 | -87.06 | 830 | |
| Idlewild | city | Tennessee | United States | 36.03 | -88.81 | 400 | |
| Idlewilde | city | Tennessee | United States | 36.34 | -82.37 | 1702 | |
| Idlewood | city | Tennessee | United States | 35.93 | -86.88 | 830 | |
| Idlewood Acres | city | Tennessee | United States | 36.03 | -84.01 | 1092 | |
| Idol | city | Tennessee | United States | 36.37 | -83.40 | 1669 | |
| Ilford | city | Tennessee | United States | 36.50 | -84.06 | 1145 | |
| Imperial Estates | city | Tennessee | United States | 35.99 | -84.10 | 974 | |
| Imperial Group Subdivision | city | Tennessee | United States | 35.21 | -84.99 | 1174 | |
| In-A-Vale-Estates | city | Tennessee | United States | 36.01 | -86.74 | 830 | |
| Ina (historical) | city | Tennessee | United States | 35.30 | -89.22 | 830 | |
| Independence | city | Tennessee | United States | 35.73 | -88.59 | 830 | |
| Independence | city | Tennessee | United States | 36.56 | -82.94 | 2047 | |
| Independence | city | Tennessee | United States | 36.50 | -85.30 | 1013 | |
| India | city | Tennessee | United States | 36.33 | -88.26 | 830 | |
| Indian Creek | city | Tennessee | United States | 36.29 | -84.13 | 1227 | |
| Indian Creek (historical) | city | Tennessee | United States | 36.11 | -82.47 | 1788 | |
| Indian Forest | city | Tennessee | United States | 36.29 | -86.60 | 830 | |
| Indian HIlls | city | Tennessee | United States | 36.28 | -83.32 | 1076 | |
| Indian Hills | city | Tennessee | United States | 35.05 | -85.23 | 830 | |
| Indian Hills | city | Tennessee | United States | 36.55 | -82.42 | 1669 | |
| Indian Hills | city | Tennessee | United States | 36.19 | -85.48 | 1158 | |
| Indian Lake Farms | city | Tennessee | United States | 36.24 | -86.56 | 830 | |
| Indian Lake Forest | city | Tennessee | United States | 36.27 | -86.58 | 830 | |
| Indian Mound | city | Tennessee | United States | 36.50 | -87.69 | 830 | |
| Indian Point | city | Tennessee | United States | 35.99 | -86.76 | 830 | |
| Indian Springs | city | Tennessee | United States | 35.92 | -86.84 | 830 | |
| Indian Springs | city | Tennessee | United States | 35.89 | -86.41 | 830 | |
| Ingleside Hill | city | Tennessee | United States | 35.45 | -84.58 | 898 | |
| Inglewood | city | Tennessee | United States | 36.21 | -86.73 | 830 | |
| Inman | city | Tennessee | United States | 35.11 | -85.53 | 1236 | |
| Inman (historical) | city | Tennessee | United States | 36.15 | -83.22 | 1099 | |
| Inskip | city | Tennessee | United States | 36.01 | -83.96 | 1053 | |
| Ipe (historical) | city | Tennessee | United States | 35.54 | -84.04 | 1072 | |
| Irene (historical) | city | Tennessee | United States | 35.01 | -89.76 | 347 | |
| Iris Acres | city | Tennessee | United States | 35.78 | -83.99 | 885 | |
| Irish Cut | city | Tennessee | United States | 35.96 | -83.16 | 1141 | |
| Iron City | city | Tennessee | United States | 35.02 | -87.58 | 830 | |
| Iron Divide (historical) | city | Tennessee | United States | 35.82 | -84.52 | 830 | |
| Iron Hill | city | Tennessee | United States | 35.99 | -87.32 | 895 | |
| Iron Hill (historical) | city | Tennessee | United States | 35.71 | -84.74 | 830 | |
| Irongate | city | Tennessee | United States | 35.19 | -85.20 | 830 | |
| Ironsburg | city | Tennessee | United States | 35.24 | -84.35 | 1699 | |
| Ironville (historical) | city | Tennessee | United States | 36.33 | -81.97 | 2096 | |
| Iroquois Estates | city | Tennessee | United States | 36.03 | -86.80 | 830 | |
| Iroquois Meadows | city | Tennessee | United States | 36.05 | -86.89 | 830 | |
| Irving College | city | Tennessee | United States | 35.58 | -85.71 | 898 | |
| Irwin | city | Tennessee | United States | 36.33 | -83.83 | 1099 | |
| Irwin Hills | city | Tennessee | United States | 34.99 | -85.14 | 892 | |
| Irwinton Shores | city | Tennessee | United States | 35.75 | -84.66 | 830 | |
| Isabella | city | Tennessee | United States | 35.03 | -84.36 | 1699 | |
| Isbell | city | Tennessee | United States | 35.53 | -87.15 | 830 | |
| Isham | city | Tennessee | United States | 36.60 | -84.44 | 1669 | |
| Island Forty | city | Tennessee | United States | 35.30 | -90.14 | 203 | |
| Island Home | city | Tennessee | United States | 35.96 | -83.88 | 898 | |
| Islandford (historical) | city | Tennessee | United States | 36.13 | -84.72 | 1240 | |
| Isleford | city | Tennessee | United States | 35.62 | -85.68 | 1000 | |
| Isom | city | Tennessee | United States | 35.63 | -87.30 | 830 | |
| Ivanwood Acres | city | Tennessee | United States | 35.17 | -85.25 | 830 | |
| Ivory | city | Tennessee | United States | 36.17 | -84.01 | 935 | |
| Ivy | city | Tennessee | United States | 35.27 | -84.42 | 1184 | |
| Ivy Bluff | city | Tennessee | United States | 35.66 | -86.03 | 1095 | |
| Ivy Gap (historical) | city | Tennessee | United States | 36.24 | -85.67 | 997 | |
| Ivy Point | city | Tennessee | United States | 36.35 | -86.79 | 830 | |
| Ivydell | city | Tennessee | United States | 36.39 | -84.13 | 1669 | |
| Ivyton | city | Tennessee | United States | 36.40 | -85.15 | 1013 |