Nikolay Kolosov (1896–1966) –  teacher of sciences in the Russian Schools of Riga, in 1940 - principal of Basic school Nr.13. >>

Ludmila Kolosova (1891–1983) – a teacher of gymnastics and housekeeping. >>

Anton Kolotiyevsky (1917-1982) – outstanding scientist-geographer, specialist in the field of economic geography, professor of the Latvian State University (1951-1982), Laureate of the State Prize of Latvia (1980). >>

Artemon Kondrashov (1894-1963) – musician, fagotist and teacher. Lived and worked in Riga from 1923 to 1936. >>

Natalya Kononova (1952) – associate professor of the Department of Slavistics of the University of Latvia. >>

Alexander Konradi-Kondrashov (1881–1955) – a colonel of the Latvian Army. >>

Alexander Konradi-Kondrashov (1916-1942) – Latvian Army officer, member of Russian Student Corporation «Ruthenia». >>

Konstantin (secular name Emmanuil Yesensky; 1907–1996) – a bishop of Russian Orthodox Church abroad. >>

Yevgeny Kopytov (1947-2014) – Habilitated Doctor of Engineerng, from 1999 to 2010 rector of the Institute of Transport and Communication. >>

Margarita Kopylova (1927-2004) – immunologist, Doctor of Medical Sciences (1971), awarded the Order Mother Heroine (1964).
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