See also: List of cities and towns in Arkansas.
See also: List of townships in Arkansas.
| Name of place | Number of counties | Principal county | Lower zip code | Upper zip code | |
|---|---|---|---|---|---|
| Sage Township | 1 | Izard County | |||
| St. Francis Township | 1 | Clay County | |||
| St. Francis Township | 1 | Greene County | |||
| St. Francis Township | 1 | Lee County | |||
| St. Francis Township | 1 | Phillips County | |||
| St. Joe Township | 1 | Searcy County | |||
| St. Vincent Township | 1 | Conway County | |||
| Salado Township | 1 | Independence County | |||
| Salem Township | 1 | Greene County | |||
| Salem Township | 1 | Saline County | |||
| Saline Township | 1 | Cleburne County | |||
| Saline Township | 1 | Cleveland County | |||
| Saline Township | 1 | Drew County | |||
| Saline Township | 1 | Hempstead County | |||
| Saline Township | 1 | Hot Spring County | |||
| Saline Township | 1 | Howard County | |||
| Saline Township | 1 | Pike County | |||
| Saline Township | 1 | Saline County | |||
| Saline Township | 1 | Sevier County | |||
| Sand Point Township | 1 | Crawford County | |||
| Saratoga Township | 1 | Howard County | |||
| Scott Township | 1 | Lonoke County | |||
| Scott Township | 1 | Mississippi County | |||
| Scott Township | 1 | Poinsett County | |||
| Scott Township | 1 | Sharp County | |||
| Searcy Township | 1 | Cross County | |||
| Searcy Township | 1 | Phillips County | |||
| Self Creek Township | 1 | Pike County | |||
| Shady Grove Township | 1 | Greene County | |||
| Shady Grove Township | 1 | Searcy County | |||
| Shaw Township | 1 | Saline County | |||
| Shepherd Township | 1 | Crawford County | |||
| Sherman Township | 1 | Johnson County | |||
| Shiloh Township | 1 | Randolph County | |||
| Shoal Creek Township | 1 | Logan County | |||
| Shores Township | 1 | Franklin County | |||
| Short Mountain Township | 1 | Logan County | |||
| Shumaker | 1 | Calhoun County | |||
| Siloam Township | 1 | Randolph County | |||
| Silver Lake Township | 1 | Desha County | |||
| Simpson Township | 1 | Grant County | |||
| Sims Township | 1 | Montgomery County | |||
| Six Mile Township | 1 | Franklin County | |||
| Six Mile Township | 1 | Logan County | |||
| Smackover Township | 1 | Ouachita County | |||
| Smackover Township | 1 | Union County | |||
| Smalley Township | 1 | Monroe County | |||
| Smart Township | 1 | Stone County | |||
| Smith Township | 1 | Cleveland County | |||
| Smith Township | 1 | Cross County | |||
| Smith Township | 1 | Dallas County | |||
| Smith Township | 1 | Lincoln County | |||
| Smith Township | 1 | Saline County | |||
| Smyrna Township | 1 | Pope County | |||
| Southall Township | 1 | Dallas County | |||
| South Big Rock Township | 1 | Sharp County | |||
| South Fork Township | 1 | Fulton County | |||
| South Fork Township | 1 | Montgomery County | |||
| South Harrison Township | 1 | Boone County | |||
| South Joe Burleson Township | 1 | Marion County | |||
| South Lebanon Township | 1 | Sharp County | |||
| South Tomahawk Township | 1 | Searcy County | |||
| South Union Township | 1 | Sharp County | |||
| South Yocum Township | 1 | Carroll County | |||
| Spadra Township | 1 | Johnson County | |||
| Spring Township | 1 | Jefferson County | |||
| Spring Township | 1 | Lincoln County | |||
| Spring Township | 1 | Searcy County | |||
| Spring Creek Township | 1 | Lee County | |||
| Spring Creek Township | 1 | Phillips County | |||
| Springdale Township | 1 | Washington County | |||
| Spring Grove Township | 1 | Greene County | |||
| Spring Hill Township | 1 | Drew County | |||
| Springhill Township | 1 | Hempstead County | |||
| Spring River Township | 1 | Lawrence County | |||
| Spring River Township | 1 | Randolph County | |||
| Stanley Township | 1 | Arkansas County | |||
| Starr Hill Township | 1 | Washington County | |||
| Steel Township | 1 | Lafayette County | |||
| Steele Township | 1 | Conway County | |||
| Stonewall Township | 1 | Johnson County | |||
| Strawberry Township | 1 | Fulton County | |||
| Strawberry Township | 1 | Izard County | |||
| Strawberry Township | 1 | Lawrence County | |||
| Strawberry Township | 1 | Sharp County | |||
| Sugar Camp Township | 1 | Cleburne County | |||
| Sugar Creek Township | 1 | Benton County | |||
| Sugar Creek Township | 1 | Greene County | |||
| Sugar Creek Township | 1 | Logan County | |||
| Sugar Loaf Township | 1 | Boone County | |||
| Sugar Loaf Township | 1 | Cleburne County | |||
| Sugarloaf Township | 1 | Marion County | |||
| Sugarloaf Township | 1 | Sebastian County | |||
| Sulphur Township | 1 | Garland County | |||
| Sulphur Township | 1 | Miller County | |||
| Sulphur Township | 1 | Montgomery County | |||
| Sulphur Springs Township | 1 | Benton County | |||
| Sulphur Springs Township | 1 | Searcy County | |||
| Sulphur Springs Township | 1 | Yell County | |||
| Summit Township | 1 | Boone County | |||
| Summit Township | 1 | Marion County | |||
| Sumpter Township | 1 | Bradley County | |||
| Swain Township | 1 | Clay County | |||
| Swayne Township | 1 | Mississippi County | |||
| Sylamore Township | 1 | Stone County |