Kseniya Karpova (1915–1998) – germanist, assistant professor of the University of Latvia, former senior of the Russian student corporation «Sororitas Tatiana». >>

Nadezhda Kashkina (1924-2003) – Doctor of Chemical Sciences, specialist in chemistry and polymeric compounds, artist.  >>

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

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

Mstislav Keldysh (1911-1978) – academician of the Academy of Sciences of the USSR, President of the Academy of Sciences of the USSR from 1961 to 1975. >>

Denis Khanov (1977) – Doctor of Humanities (Dr. art.), professor, head of the Department of Humanities at the Art Academy of Latvia >>

Arnold Khizhnyak (1936-2021) – professor, Hab. Doctor of Engineering (Dr. habil. sc. ing.), Head of the chair of the Riga Institute of Civil Aviation Enginering. >>

Boris Kholodov (1941) – Doctor of Engineering (Dr. sc. ing.), Docent of the Riga Technical University. >>

Yuri Khrol (1933-2008) – Habilitated Doctor of Chemistry (Dr. habil. chem.), professor, specialist in wood chemistry and technology, forest ecology, honorary member of the Latvian Academy of Agricultural and Forest Sciences (2000). >>

Igor Kirko (1918-2007) – Doctor of Physics and Mathematics, academician, from 1948 to 1967 director of the Institute of Physics of  Latvian Academy of Sciences. >>