Alina Litvinenko  - doctor of history, Head of the chair of Culture and Art at the Institute of Information Systems Management, artist and poet. >>

Boris Lobzov (1934) –  a docent  of the Chair of Engineering and Automatization of industrial processes of the Riga Polytechnic Institute (from 1990 – Riga Technical University). >>

Yuri Logachov (1924-2003)– Habilitated Doctor of Engineering, assistant professor, inventor. >>

Alexander Losev (1925-1997) – Doctor of Pedagogics, specialist in Russian-Latvian literary links. >>

Alexey Losev (1921-1989) – professor, doctor of technical sciences, specialist in the field of aviation. >>

Nikolay Lossky (1870-1965) – outstanding representative of Russian religious philosophy. >>

Olga Lukashina (1950) – Doctor of Economics (Dr. oec.), a specialist in tax law. >>

Tatyana Liguta (1945) – Doctor of Philology (Dr. Phill.). From 1981 to 1999 head of the Chair of Russian language (from 1997 – chair of Slav languages). >>

Lidia Lysenko (1923–1998) –  Candidate  of Technical Sciences, Head of the Chair of Mechanical Technology of Fibre Materials of Riga Polytechnic Institute. >>