Vladimir Labendik (1946) – professor of the Institute of Transport and Communication, Hab. Dr. of  Engineering. >>

Alexander Labutin (1880-1970) – from 1920 read  lectures on technical mechanics, descriptive geometry and construction statics at the University of Latvia. >>

Nina Lapidus (1940) –  fine art expert. >>

Juri Lazarev (1946-1996) –  scientist-physicist, one of the authors of the discovery of the 105 th element of Mendeleev's periodical table. >>

Lydia Liepina (1891-1985) – Full member of Latvian Academy of Sciences, Doctor of Chemistry, Hero of Socialist Labour. >>

Anatoly Levchenkov (1946-2019) – Professor of the Faculty of Energy and Electrical Engineering of the Riga Technical University, Doctor of Engineering Sciences (Dr. sc. Ing.). >>

Nikolay Levin (1927-2020) – Habilitated Doctor of Engineering Sciences, specialist in the field of electrical machines, autonomous electric power industry and electric drive. >>

Leath Levitan (1922-2016) – Candidate of Philological Sciences, docent of the Daugavpils Pedagogical Institute. >>

Dimitry Levitsky (1907-2007) – Doctor of Philosophy, the publicist and public person. >>

Leonid Likhachov (1917-1989)  – Doctor of Engineering, specialist in geometric graphics, professor of Riga Polytechnic Institute. >>