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- Sage Township, Gladwin County
- Saginaw Charter Township, Saginaw County
- Sagola Township, Dickinson County
- St. Charles Township, Saginaw County
- St. Clair Township, St. Clair County
- St. Ignace Township, Mackinac County
- St. James Township, Charlevoix County
- St. Joseph Charter Township, Berrien County
- Salem Township, Allegan County
- Salem Township, Washtenaw County
- Saline Township, Washtenaw County
- Sanborn Township, Alpena County
- Sand Beach Township, Huron County
- Sands Township, Marquette County
- Sandstone Township, Jackson County
- Sanilac Township, Sanilac County
- Sauble Township, Lake County
- Saugatuck Township, Allegan County
- Schoolcraft Township, Houghton County
- Schoolcraft Township, Kalamazoo County
- Scio Township, Washtenaw County
- Sciota Township, Shiawassee County
- Scipio Township, Hillsdale County
- Sebewa Township, Ionia County
- Sebewaing Township, Huron County
- Secord Township, Gladwin County
- Selma Township, Wexford County
- Seneca Township, Lenawee County
- Seney Township, Schoolcraft County
- Seville Township, Gratiot County
- Sharon Township, Washtenaw County
- Shelby Charter Township, Macomb County
- Shelby Township, Oceana County
- Sheridan Charter Township, Newaygo County
- Sheridan Township, Calhoun County
- Sheridan Township, Clare County
- Sheridan Township, Huron County
- Sheridan Township, Mason County
- Sheridan Township, Mecosta County
- Sherman Township, Gladwin County
- Sherman Township, Huron County
- Sherman Township, Iosco County
- Sherman Township, Isabella County
- Sherman Township, Keweenaw County
- Sherman Township, Mason County
- Sherman Township, Newaygo County
- Sherman Township, Osceola County
- Sherman Township, St. Joseph County
- Sherwood Township, Branch County
- Shiawassee Township, Shiawassee County
- Sidney Township, Montcalm County
- Sigel Township, Huron County
- Silver Creek Township, Cass County
- Sims Township, Arenac County
- Skandia Township, Marquette County
- Slagle Township, Wexford County
- Sodus Township, Berrien County
- Solon Township, Kent County
- Solon Township, Leelanau County
- Somerset Township, Hillsdale County
- Soo Township, Chippewa County
- South Arm Township, Charlevoix County
- South Branch Township, Crawford County
- South Branch Township, Wexford County
- South Haven Charter Township, Van Buren County
- Southfield Township, Oakland County
- Spalding Township, Menominee County
- Sparta Township, Kent County
- Spaulding Township, Saginaw County
- Speaker Township, Sanilac County
- Spencer Township, Kent County
- Spring Arbor Township, Jackson County
- Spring Lake Township, Ottawa County
- Springdale Township, Manistee County
- Springfield Township, Kalkaska County
- Springfield Township, Oakland County
- Springport Township, Jackson County
- Springvale Township, Emmet County
- Springville Township, Wexford County
- Spurr Township, Baraga County
- Stambaugh Township, Iron County
- Standish Township, Arenac County
- Stannard Township, Ontonagon County
- Stanton Township, Houghton County
- Star Township, Antrim County
- Stephenson Township, Menominee County
- Stockbridge Township, Ingham County
- Stronach Township, Manistee County
- Sturgis Township, St. Joseph County
- Sugar Island Township, Chippewa County
- Sullivan Township, Muskegon County
- Summerfield Township, Clare County
- Summerfield Township, Monroe County
- Summit Township, Jackson County
- Summit Township, Mason County
- Sumner Township, Gratiot County
- Sumpter Township, Wayne County
- Sunfield Township, Eaton County
- Superior Township, Chippewa County
- Superior Township, Washtenaw County
- Surrey Township, Clare County
- Suttons Bay Township, Leelanau County
- Swan Creek Township, Saginaw County
- Sweetwater Township, Lake County
- Sylvan Township, Osceola County
- Sylvan Township, Washtenaw County
Read more about this topic: List Of Townships In Michigan