| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Insco | city | Kentucky | United States | 36.98 | -86.86 | 830 | |
| Insco (historical) | city | Louisiana | United States | 30.64 | -93.25 | 104 | |
| Inselnostlinde (historical) | city | Alaska | United States | 62.75 | -159.75 | 59 | |
| Insiaf | city | Federated States of Micronesia | United States | 5.31 | 162.92 | 830 | |
| Inskip | city | California | United States | 39.99 | -121.54 | 4573 | |
| Inskip | city | Tennessee | United States | 36.01 | -83.96 | 1053 | |
| Insmont | city | Colorado | United States | 39.39 | -105.45 | 7765 | |
| Insmore | city | Mississippi | United States | 32.01 | -90.73 | 147 | |
| Inspiration | city | Arizona | United States | 33.41 | -110.88 | 4189 | |
| Inspiration Colonia | city | Texas | United States | 26.28 | -98.34 | 173 | |
| Inspiration Heights Colonia | city | Texas | United States | 26.29 | -98.34 | 177 | |
| Inspiration Point Colonia | city | Texas | United States | 26.32 | -98.33 | 180 | |
| Inspiration Rd Number 1 Colonia | city | Texas | United States | 26.29 | -98.34 | 170 | |
| Inspiration Rd Number 2 Colonia | city | Texas | United States | 26.29 | -98.34 | 170 | |
| Inspiration Rd Number 3 Colonia | city | Texas | United States | 26.29 | -98.34 | 170 | |
| Instanter | city | Pennsylvania | United States | 41.60 | -78.56 | 1669 | |
| Institute | city | Mississippi | United States | 32.34 | -90.63 | 193 | |
| Institute | city | North Carolina | United States | 35.36 | -77.71 | 104 | |
| Institute | city | West Virginia | United States | 38.38 | -81.77 | 830 | |
| Institute | city | Wisconsin | United States | 44.89 | -87.29 | 830 | |
| Insull | city | Kentucky | United States | 36.76 | -83.49 | 1164 | |
| Insulo Coney | city | New York | United States | 40.58 | -73.99 | 0 |