Leonid Kostrubin (1942) – a singer (bariton) and musician instrumentalist. >>

Gennady Kotov (1957–2023) – lawyer, ex-deputy of the Riga City Council, human rights activist, long-term co-chairman of the Latvian Human Rights Committee. >>

Svetlana Kovalchuk (1956) – Dr. Philosophy, Senior Researcher of the Institute of Philosophy and Sociology  of the University of Latvia. >>

Anna Kovalyova (1919–1997) – an  actress of Riga Russian Drama Theatre (1944–1948) and  Riga Young Spectator`s Theatre (1948–1976). >>

Olga Kovsh (1918-2003) – therapeutic, Doctor of medical sciences,  prorector of the Riga Medical Institute (1958-1961). >>

Nikolay Kovalevsky (1892–1958) – professor, Doctor of Economic Sciences, academician of the Academy of Sciences of Soviet Latvia. >>

Albina Kozhikova (1946) – operetta singer (soprano). >>

Mikhail Kozin (1918–2008) – Habilitated Doctor of History (Dr. habil. hist.), specialist in rural history of Latvia (19th century). >>

Vladimir Kozin (1922-2023) – a painter, the oldest artist in Latvia. >>

Natalya Kozina (1946-1985) – docentof the Chair of Russian literature, assistant dean of the Philological faculty of the University of Latvia. >>