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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Galina Korchemnaya (1958) – World Champion of Acrobatics  in 1977. >>

Khaim Kordonsky (1919-1999) – professor, Doctor of Technical Sciences, scientist  and pedagogue in the field of probability theory and mathematical statistics. >>

Sergey Korenev (1883-1943) – a colonel of the Russian and Latvian armies, journalist and public figure of the  pre-war period of Latvia, teacher. >>

Pyotr Koretsky (1877–1929) – deputy of the 1^st Saeima of Latvia (1922–1925). >>

Mikhail Kornetsky (1926-2005) – an artist and an educator. >>

Metropolitan Korniliy (Popov;1874–1966) – a Head of Riga Eparchy in 1945-1947. >>