Ilya Kulnev (1885–1915) –  a pilot, founder of aerobattic flights on hydroplanes. >>

Yakov Kulnev (1763–1812) – a major general, became famous in battles with Napoleon’s army. >>

Anatoly Kuptsov (1935–2011) – a historian, docent of the University of Latvia and Baltic International Academy.  >>

Margarita Kurbatova (1902–1992) – Doctor of Medicine, Head of the Chair of Pediatry of Riga Medical Institute (1961–1971).
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Leonid Kurdyumov (1939–2012) – Soviet and Latvian political and administrative leader. >>

Arkady Kurmelyov (1931–2019) – is a well-known teacher and teacher of Mathematics in Daugavpils. >>

Sergey Kurnosov (1916–1995) – docent, Candidate of Technical Sciences, dean of Mechanical faculty of Riga Institute of Civil Aviation Engineers. >>

Tatyana Kurysheva (1937) – a musicologist, musical journalist and critic. >>

Pavel Kushnirov (1863–1911) – a teacher in Riga Real school named after Peter I. >>

Elena Kutner (1937) – a  Candidate of Chemical Sciences (Dr. chem.), docent of Riga Polytechnic Institute. >>