Mikhail  Solts (1919–2010) – a military surgeon, radiologist, head of the X-ray diagnostic department of the Daugavpils Republican Oncological Dispensary (1965–1996), chief radiologist of Daugavpils, one of the most qualified and oldest radiologists in Latvia. >>

Sergey Sosnovsky (1981) – a ballet dancer, teacher and choreographer. >>

Alexander Sotin (1852–1904) – a famous doctor, the first director of the sulfur water resort in Kemeri (Jūrmala). >>

Yury Spigin (1949) – a piano player, Doctor of Pedagogics (2012). >>

Ludmila Sproge (1953) – professor, from 2002 Head of the Department of Russian and Slav languages of the faculty of Humanitarian Sciences of the University of Latvia. >>

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Alexander Starkov (1955) – Latvian football player and coach. >>

Arseny Starkov (1874–1927)  – professor of Medical faculty of the University of Latvia from 1925 to 1927. >>

Alexander Stepanov (1886-1972) – a sworn advocate, teacher. >>

Vladimir Petrovich Steshenko (1944) – a journalist, public figure. >>