Igor Kabashkin (1954) – specialist in the field of engineering and computer sciences, professor, hab. doctor, correspondent-member of Latvian Academy of Sciences. >>

Olga Kachalova (1916-1988) – Doctor of Biological Sciences, researcher of the Institute of Biology at the Academy of Science of Latvia. >>

Tatyana Kachalova (nee Rozenshild; 1915–2010) – Habilitated Doctor of Arts, professor of Latvian Academy of Arts. >>

Vsevolod Kachan (1955) – Doctor of Philosophy, associate  professor of the University of Latvia. >>

Matvey Kadek (1897-1950) – Doctors of Geography, academitian and the 1-st vice-president of the Academy of Science of Latvian SSR,  rector  of Latvian State University (1944-1949). >>

Nikolay Kalinin (1910-2004) – professor, the 1-st rector of Riga Institute of Civil Aviation Engineering (1960-1965). >>

Boris Kamenetsky (1935) – geophysicist, stayed in polar stations at Shpitsbergen and Chukotka, participant of the 5th and 8th Antarctic expeditions. >>

Oleg Kanashkov (1939) – Doctor of Engineering (Dr. sc. ing.), docent of the Riga Technical University. >>

Vladimir Karlivan (1928-2005) – Habilitated Doctor of Chemistry, correspondent member of Latvian Academy of sciences. >>