| State boundary monument for Utah, Idaho and Wyoming | |
| State Flag, Wyoming | Kylie Louise McCormick |
| State Prison, Wyoming’s First | Lori Van Pelt |
| Statehood: Constitutional Convention, Debates and Their Aftermath | Phil Roberts |
| Steamboat Exhibit, University of Wyoming | |
| Stegner, Wallace and South Pass preservation | Will Bagley |
| Stepp, Alonzo, black rancher in the Green River Valley | WyoHistory.org, Jonita Sommers |
| Stewardess training, Cheyenne | Michael Kassel, Starley Talbott |
| Stewart, Elinore Pruitt, Writer and Homesteader | Barbara Allen Bogart |
| Stimson, Joseph E., Wyoming photographer | Wyoming State Historic Preservation Office |
