Vladimir Surovtsev (1865-1900) – a general, governor of the Livonia Governorate. >>

Alexander Serzhant (1953) –  an artist. >>

Anastasiya Sevastova (1990) – Latvian tennis-player. >>

 Nikolay Sevastyanov (1919-1994) – Doctor of Technical sciences, professor, an expert in the field of aeronautical automatics and computer technology. >>

Pavel Seversky (Siversky; 1875-1943) – a Colonel of the Russian army. Member of the Society of Russian Emigrants in Latvia. Employee of the Riga City Council. >>

Natalya Sevidova (1955) – a journalist. >>

Sergey Shadrin (1879-1944) – an agronomist, public figure, participant of the First World War and the White movement. >>

Semyon Shafranov (1820–1888) – a philologist, teacher, director of gymnasiums, public figure, initiator and founder of Russian societies: "Bayan", "Lado", "Uley", "Russian Club", etc. >>

Filipp Shalayev (1929–2008) – an animalist and a portrait painter. >>

Boris Shalfeyev (1891–1935) – a journalist, regional ethnographer,  historical reviewer of the newspapers «Segodnya» and «Segodnya vecherom», teacher. >>