Ilya Samsonov (1841–1917) – Head of the Riga Central Post Office from 1900 to 1910. >>

Yevgeny Sapronenko (1978) – silver winner of the Olympic games (2004) in gymnastics. >>

Anatoly Savchenko (1933–1998) –  an opera singer, tenor, soloist of the Latvian opera from 1959. >>

Vasily Savchenko (1923–2014) – a military historian, Doctor of Historical Sciences. >>

Larisa Savchenko-Neilande (1966) – Latvian tennis player, winner of Roland Garros (French Open) (1989) and Wimbledon tournament (1991) in doubles with Natalia Zvereva. >>

Pavel Savelyev (1929-?) – Candidate of Technical Sciences, Docent of  the Riga Technical University. >>

Nikolay Savvich (1854-1937) – a Deputy Chairman of the Riga Regional Court from 1894 to 1917, a member of the Legal Advice of the Ministry of Justice of the Republic of Latvia from 1922 to 1931, a public figure. >>

Lida Schwartz (Lidia Shamanayeva) (1932) – a singer (soprano). >>

Valery Schemelev (1948-1995) – a sworn advocate. >>

Alexander Schwartz (1848-1915) – a Curator of the Riga School District, Minister of Education of the Russian Empire, classic philologist. >>