Ivan Yupatov (1865–1944) – professor.  Head of the Russian Department of the  Ministry of Education of Latvia (1923–1924; 1925–1934). Deputy of the 2nd Saeima of Latvia. >>

Vladimir Yurik (1924-1989) – Docent of the Chair of Russian language and Literature of the Facultu of Pedagogy jf the Latvian State University, author of articles and textbooks on the problems of comparative grammar of the Russian and Latvian languages. >>

Igor Zakke (1926–2016) – Doctor of Agricultural Sciences (Dr agr.). >>

Friedrich Zander (1887–1933) –  first expert of rocket building. >>

Antonina Zavarina (1928–2015)– an ethnographer, Doctor of History, the author of the manuscript «The Russian population of eastern Latvia in the second half of the 19th – early 20th centuries». >>

Ivan Zavoloko (1897–1984) – an old believer’s public leader,  spiritual mentor, researcher of antiquity, ethnographer and catechist in pre-war Latvia. In 1940 was arrested by NKVD and served 17 years in camps  and exile. >>

Kallistrat Zhakov (1866–1926) – a philosopher, poet, writer. >>

Vladimir Zlatinsky (1884-1921) – a teacher of mathematics, physics and astronomy. Corresponding member of the Russian Society of Lovers of Astronomy. >>