S
- Oton Sajovic (1907 - 1996)
- Pavle Saksida (1960 - )
- Janez Krstnik Schoettl (1724 - 1777)
- Peter Šemrl
- Marjeta Škapin-Rugelj
- Tomislav Skubic (1930 - 1996)
- Marko Sodnig (1729 - 1800)
- Ivan Štalec (1910 - 1994)
- Jožef Stefan (1835 - 1893)
- Boštjan Steiner (1680 - 1748)
- Rok Strašek (1972 -)
- Anton Suhadolc
Read more about this topic: List Of Slovenian Mathematicians