Pennsylvania cities starting with S
- Saegertown, PA 12
- Saint Clair, PA 8
- Saint Marys, PA 8
- Saint Thomas, PA 6
- Saltsburg, PA 8
- Sandy Lake, PA 6
- Sarver, PA 9
- Saxonburg, PA 6
- Saxton, PA 13
- Sayre, PA 16
- Schellsburg, PA 6
- Schuylkill Haven, PA 13
- Schwenksville, PA 10
- Scottdale, PA 21
- Scranton, PA 92
- Selinsgrove, PA 20
- Sellersville, PA 13
- Seneca, PA 7
- Seven Valleys, PA 5
- Seward, PA 7
- Sewickley, PA 20
- Shade Gap, PA 5
- Shamokin, PA 18
- Shamokin Dam, PA 7
- Sharon, PA 29
- Sharon Hill, PA 6
- Sharpsville, PA 6
- Sheffield, PA 5
- Shelocta, PA 5
- Shenandoah, PA 12
- Shermans Dale, PA 6
- Shickshinny, PA 9
- Shillington, PA 11
- Shinglehouse, PA 9
- Shippensburg, PA 43
- Shiremanstown, PA 6
- Shoemakersville, PA 5
- Sigel, PA 6
- Sinking Spring, PA 5
- Slatington, PA 10
- Sligo, PA 5
- Slippery Rock, PA 9
- Slippery Rock, PA 10
- Smethport, PA 7
- Smithfield, PA 5
- Smithton, PA 5
- Somerset, PA 20
- Somerset, PA 11
- Souderton, PA 20
- Southampton, PA 6
- South Fork, PA 6
- Spartansburg, PA 5
- Springboro, PA 5
- Spring City, PA 17
- Springdale, PA 8
- Springfield, PA 12
- Springfield, PA 8
- Spring Grove, PA 20
- Spring Mills, PA 13
- Spring Run, PA 5
- State College, PA 57
- Steelton, PA 13
- Stevens, PA 6
- Stewartstown, PA 6
- Stoneboro, PA 8
- Stowe, PA 5
- Stoystown, PA 7
- Strasburg, PA 6
- Stroudsburg, PA 29
- Summerville, PA 9
- Sunbury, PA 32
- Susquehanna, PA 6
- Swarthmore, PA 10