- Saiyab Ranjit1
- Sanchez-Torres, Abel1
- Sangenario, Michael G.1
- Santamaria, David1
- Scarponi, Jake P.1
- Schrader, Christian M.1
- Schreiner, John Nicholas1
- Shaffer, Timothy Dresden1
- Shirakura, Douglas1
- Sochacki, Adam1
- Songer, Nicholas Jordan1
- St.Jacques, Braden Parker1
- Stechmann, David Paul1