Galina Kashlinskaya (1932–?) – Candidate of Economic Sciences, from 1966 to 1985 worked in the Riga Polytechnic institute. >>

Yuri Kasper (1955) – a pianist, orchestra leader and teacher. >>

Vladimir Kastorsky (1908–1984) – professor, doctor of technical sciences, specialist in the field of aerodynamics of aircraft and aerodynamics of helicopter propellers. >>

Yuri Kasianich (1955) – poet, prose writer, translator. >>

Vladimir Kasyanov (1946) – Hab. Doctor of Engineering, professor, correspondent-member of Latvian Academy of Sciences. >>

Alexander Katalymov (1909–1980) – a well-known surgeon and gynecologist. >>

Nikolay Katalymov (1886–1947) – a well-known  surgeon in Daugavpils (Latvia). >>

Nikolay Katishev (1900–1978) – a colonel-lieutenant of the Latvian Army. >>

Arkady Kats (1931) –  an artistic director from 1963, and from 1965 to 1988 principal director of the Riga Russian Drama theatre. >>

Nikolay Kavas (1905–1989) – a chartered lawyer. >>