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

Svetlana Kozlova (1939) – Doctor of engineering (Dr. sc. ing.), 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) – a musicologist, teacher, lecturer and composer. >>

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

Sergey (Stephan) Krasnopyorov (1900–1961) – a composer, teacher and conductor of choir and orchestra.
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Nadezhda Kravchyonok-Feldmane (born Liebtahl; 1915–2003) – Doctor of philology ( Dr. phil.). >>