Alla  Sakharova (1951) – a ballerina, classical dance teacher, theater scholar. >>

Alexander Sallak (1885 -?) –  a teacher of History and Russian, Deputy Head of the Russian department of the Ministry of Education of the Republic of Latvia from 1920 to 1934. >>

Yevgeny Sallinen (1954–2009) – Doctor of Maths, Docent of the Chair of Higher mathematics of the Riga Technical University. >>

Margarita Saltupe (born Morozova; 1917-2006) – a physician, popularizer of the artist Eugene Klimoff's (1901-1990) creativity >>

Feodor Samansky (1719–1794) – in 1760 consecrated the first prayer-house for Old Believers in Riga, nowadays known as the Riga Grebenshchikov Temple. >>

Yuri Samarin (1819-1876) –  a public figure, publicist, Slavophile.  >>

Natalia Samborskaya (1982) – a ballerina. From 2000 to 2018, she was a ballet dancer with the Latvian National Opera and Ballet. >>

Georgy Samsonov (1930) – а sea captain of the Latvian Shipping Company. >>

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

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