This list of current cities, towns, unincorporated communities, and other recognized places in the U.S. state of Arkansas whose name begins with the letter K. It also includes information on the number and names of counties in which the place lies, and its lower and upper zip code bounds, if applicable.
| Name of place | Number of counties | Principal county | Lower zip code | Upper zip code |
|---|---|---|---|---|
| Keaton Township | 1 | Arkansas County | ||
| Keener Township | 1 | Scott County | ||
| Keesee Township | 1 | Marion County | ||
| Keeter Township | 1 | Marion County | ||
| Keevil Township | 1 | Monroe County | ||
| Kenney Township | 1 | Perry County | ||
| Kensett Township | 1 | White County | ||
| Kentucky Township | 1 | Madison County | ||
| Kentucky Township | 1 | Newton County | ||
| Kentucky Township | 1 | Saline County | ||
| Kentucky Township | 1 | White County | ||
| Kibler Township | 1 | Crawford County | ||
| Kilgore Township | 1 | Clay County | ||
| Kimbrough Township | 1 | Lincoln County | ||
| King Township | 1 | Johnson County | ||
| Kingsland Township | 1 | Cleveland County | ||
| Kings River Township | 1 | Carroll County | ||
| Kings River Township | 1 | Madison County | ||
| Knob Township | 1 | Clay County |
