Nikolay Kozlov (1921) – lawyer. >>

Viktor Kozlov (1939-2020) – professor, Doctor of engineeering, Head of the Chair «Job safety» of Riga Polytechnic Institute (from 1990 – Riga Technical University). >>

Natalya Kozlova (1953) – singer (soprano), vocal teacher. >>

Svetlana Kozlova (1939) – Doctor of engineering, associate professor of Riga Technical University. >>

Viktor Kozyukov (1948) – engineer-chemist, candidate of technical sciences. >>

Grigory Krasilnikov (1906–1988) – assistant professor of Riga Polytechnic Institute, specialist in the fields of energetics. >>

Leah Krasinsky (1911-2009) – musicologist, teacher, lecturer and composer. >>

Ivan Krasnopyorov (1911-1989) – outstanding oboist and teacher. >>

Sergey (Stephan) Krasnopyorov (1900-1961) – composer, teacher and conductor of choir and orchestra.
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Valery (Viesturs) Krastinsh (1949–2020) – an archpriest, cleric of the Alexander Nevsky Church in Riga, superior of the St. Nicholas Church in Kosa village of the  Cēsis Municipality. >>