Zdenka Schwarzerova-Krsieova (Czech, born 1908) Carl Maria Schwerdtner (German, born 1874) William Edouard Scott (American, 1884–1964) Vojtech (Adalbert) Sedlacek (Czech, 1892–1973) Ivo Sedlisky (Czechoslovakian, born 1926) Walter Frederick Seely (American, 1886–1959) Ernst Seger (German, 1868–1939) Emory P. Seidel (American, born 1881) Friedrich Seidenstucker (German, 1882–1962) Oskar Seifarth (Czech, born 1884) Franz Seifert (Austrian, 1866–1951) Frederico Seneca (Italian, 1891–1976) Ferenc Sidló (Hungarian, 1882–1954) Matyas Simka (Hungarian, born 1921) Edgardo Simone (American, 1890–1948)
Siot-Decauville (French, XIX-XX) Josef Skoda (Czech) Josef Skorpil (Czech, 1856–1931) A.H. Slade (American) Jan Vaclav Sladek (Czech, 1906–1982) Otakar Slavik (Czech, 1931–2010) W. Sliwka (Polish, b. ca. 1918) Frantisek Sliz (Czech, born 1899) Josef Smesny (Czech, 1907–1990) Gordon Dean Smith Willy Smitz Szignov Sneill (German, XX) Seraphin Soudbinine (French, 1870–1944) Janos Sovary (Hungarian, 1895–1966) Jan Spacil (Czech, 1892–1982)
