| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jack | city | Missouri | United States | 37.58 | -91.62 | 1669 | |
| Jacket | city | Missouri | United States | 36.51 | -94.11 | 1118 | |
| Jackson | city | Missouri | United States | 37.38 | -89.67 | 830 | |
| Jackson Mill | city | Missouri | United States | 36.90 | -92.77 | 997 | |
| Jacksonville | city | Missouri | United States | 39.59 | -92.47 | 849 | |
| Jacksonville | city | Missouri | United States | 40.28 | -93.11 | 997 | |
| Jacksonville | city | Missouri | United States | 37.56 | -92.42 | 1669 | |
| Jacobs | city | Missouri | United States | 38.71 | -90.60 | 830 | |
| Jadwin | city | Missouri | United States | 37.49 | -91.57 | 1669 | |
| Jaegers Shop | city | Missouri | United States | 38.46 | -91.30 | 830 | |
| Jake Prairie | city | Missouri | United States | 38.16 | -91.51 | 958 | |
| James Brothers | city | Missouri | United States | 38.16 | -91.88 | 830 | |
| Jameson | city | Missouri | United States | 40.01 | -93.98 | 830 | |
| Jamesport | city | Missouri | United States | 39.97 | -93.80 | 958 | |
| Jamestown | city | Missouri | United States | 38.77 | -92.48 | 898 | |
| Jamesville | city | Missouri | United States | 36.96 | -93.37 | 1197 | |
| Jane | city | Missouri | United States | 36.55 | -94.31 | 997 | |
| Japan | city | Missouri | United States | 38.24 | -91.31 | 898 | |
| Jarvis | city | Missouri | United States | 38.27 | -90.49 | 830 | |
| Jasper | city | Missouri | United States | 37.34 | -94.30 | 948 | |
| Jaudon | city | Missouri | United States | 38.76 | -94.59 | 1085 | |
| Jaywye | city | Missouri | United States | 36.48 | -89.70 | 275 | |
| Jedburgh | city | Missouri | United States | 38.54 | -90.58 | 830 | |
| Jeddo | city | Missouri | United States | 40.10 | -91.97 | 830 | |
| Jeff | city | Missouri | United States | 36.51 | -91.39 | 830 | |
| Jeff Vander Lou | city | Missouri | United States | 38.65 | -90.22 | 830 | |
| Jefferson Barracks | city | Missouri | United States | 38.50 | -90.28 | 830 | |
| Jefferson City | city | Missouri | United States | 38.58 | -92.17 | 830 | |
| Jefferson Heights | city | Missouri | United States | 38.39 | -90.50 | 830 | |
| Jeffersonurbo | city | Missouri | United States | 38.58 | -92.17 | 830 | |
| Jeffreys | city | Missouri | United States | 38.93 | -94.53 | 990 | |
| Jeffriesburg | city | Missouri | United States | 38.44 | -91.09 | 830 | |
| Jenkins | city | Missouri | United States | 36.78 | -93.69 | 1092 | |
| Jennings | city | Missouri | United States | 38.72 | -90.26 | 830 | |
| Jerico | city | Missouri | United States | 37.17 | -92.67 | 1669 | |
| Jerico Springs | city | Missouri | United States | 37.62 | -94.01 | 1000 | |
| Jerktail | city | Missouri | United States | 37.42 | -92.44 | 1669 | |
| Jerome | city | Missouri | United States | 37.93 | -91.98 | 830 | |
| Jewett | city | Missouri | United States | 37.38 | -90.50 | 830 | |
| Joanna | city | Missouri | United States | 39.54 | -91.67 | 830 | |
| Jobe | city | Missouri | United States | 36.58 | -91.25 | 830 | |
| Jobe (historical) | city | Missouri | United States | 36.59 | -91.27 | 830 | |
| Johns Mills (historical) | city | Missouri | United States | 37.04 | -92.89 | 1669 | |
| Johnson City | city | Missouri | United States | 38.12 | -93.93 | 830 | |
| Johnson Ford (historical) | city | Missouri | United States | 38.13 | -91.89 | 830 | |
| Johnson Mill | city | Missouri | United States | 36.19 | -90.13 | 259 | |
| Johnston Ford | city | Missouri | United States | 37.36 | -92.80 | 1669 | |
| Johnstown | city | Missouri | United States | 39.90 | -92.97 | 905 | |
| Johnstown | city | Missouri | United States | 38.31 | -94.08 | 830 | |
| Jolly | city | Missouri | United States | 36.90 | -94.07 | 1171 | |
| Jonca | city | Missouri | United States | 37.84 | -90.30 | 869 | |
| Jonesburg | city | Missouri | United States | 38.85 | -91.31 | 872 | |
| Joplin | city | Missouri | United States | 37.08 | -94.51 | 1003 | |
| Jordan | city | Missouri | United States | 38.02 | -93.14 | 898 | |
| Josephville | city | Missouri | United States | 38.84 | -90.80 | 830 | |
| Joy | city | Missouri | United States | 37.51 | -91.67 | 1669 | |
| Juanita (historical) | city | Missouri | United States | 36.82 | -89.59 | 321 | |
| Judd | city | Missouri | United States | 39.42 | -93.74 | 830 | |
| Judge | city | Missouri | United States | 38.42 | -91.78 | 830 | |
| Judson | city | Missouri | United States | 40.31 | -93.23 | 997 | |
| Julesburg | city | Missouri | United States | 40.46 | -92.61 | 951 | |
| Junction City | city | Missouri | United States | 37.58 | -90.29 | 830 | |
| Junction Ferry | city | Missouri | United States | 37.19 | -91.27 | 830 | |
| Junction Lookout (historical) | city | Missouri | United States | 37.62 | -91.36 | 1669 | |
| June | city | Missouri | United States | 36.80 | -94.36 | 1217 | |
| Junland | city | Missouri | United States | 36.77 | -90.28 | 318 |