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- Sage Township, Izard County
- Salado Township, Independence County
- Salem Township, Greene County
- Salem Township, Saline County
- Saline Township, Cleburne County
- Saline Township, Cleveland County
- Saline Township, Drew County
- Saline Township, Hempstead County
- Saline Township, Hot Spring County
- Saline Township, Howard County
- Saline Township, Pike County
- Saline Township, Sevier County
- Saratoga Township, Howard County
- Scott Township, Lonoke County
- Scott Township, Mississippi County
- Scott Township, Poinsett County
- Scott Township, Sharp County
- Searcy Township, Cross County
- Self Creek Township, Pike County
- Shady Grove Township, Greene County
- Shady Grove Township, Searcy County
- Shaw Township, Saline County
- Sherman Township, Johnson County
- Shiloh Township, Randolph County
- Shoal Creek Township, Logan County
- Shores Township, Franklin County
- Short Mountain Township, Logan County
- Shumaker Township, Calhoun County
- Siloam Township, Randolph County
- Silver Lake Township, Desha County
- Simpson Township, Grant County
- Six Mile Township, Franklin County
- Six Mile Township, Logan County
- Smackover Township, County
- Smackover Township, Union County
- Smart Township, Stone County
- Smith Township, Cleveland County
- Smith Township, Cross County
- Smith Township, Dallas County
- Smith Township, Lincoln County
- Smith Township, Saline County
- Smyrna Township, Pope County
- South Big Rock Township, Sharp County
- South Fork Township, Fulton County
- South Fork Township, Montgomery County
- South Harrison Township, Boone County
- South Joe Burleson Township, Marion County
- South Lebanon Township, Sharp County
- South Union Township, Sharp County
- South Yocum Township, Carroll County
- Southall Township, Dallas County
- Spadra Township, Johnson County
- Spring Creek Township, Lee County
- Spring Creek Township, Phillips County
- Spring Grove Township, Greene County
- Spring Hill Township, Drew County
- Spring River Township, Lawrence County
- Spring River Township, Randolph County
- Spring Township, Jefferson County
- Spring Township, Lincoln County
- Spring Township, Searcy County
- Springdale Township, Washington County
- Springhill Township, Hempstead County
- St. Francis Township, Clay County
- St. Francis Township, Greene County
- St. Francis Township, Lee County
- St. Francis Township, Phillips County
- St. Joe Township, Searcy County
- St. Vincent Township, Conway County
- Stanley Township, Arkansas County
- Starr Hill Township, Washington County
- Steel Township, Lafayette County
- Steele Township, Conway County
- Stonewall Township, Johnson County
- Strawberry Township, Fulton County
- Strawberry Township, Izard County
- Strawberry Township, Lawrence County
- Strawberry Township, Sharp County
- Sugar Camp Township, Cleburne County
- Sugar Creek Township, Benton County
- Sugar Creek Township, Greene County
- Sugar Creek Township, Logan County
- Sugar Loaf Township, Boone County
- Sugar Loaf Township, Cleburne County
- Sugarloaf Township, Marion County
- Sugarloaf Township, Sebastian County
- Sulphur Springs Township, Benton County
- Sulphur Springs Township, Yell County
- Sulphur Township, Miller County
- Sulphur Township, Montgomery County
- Summit Township, Boone County
- Summit Township, Marion County
- Sumpter Township, Bradley County
- Swain Township, Clay County
- Swayne Township, Mississippi County
- Sylamore Township, Stone County
Read more about this topic: List Of Arkansas Townships