Valentina Korolkova (1937) – Candidate of Chemical Sciences, docent of the Riga Polytechnic Institute. >>

Ludmila Korolyova (1930-1987) – lawyer. >>

Gleb Koroteyev (1925-2018) – one of the well-known soundman of Latvia, life grant holder of Culture Capital fund. >>

Nadezhda  Korshunova (née Philbrant, by her first husband Dombrovskaya, then De Sterk, in the last marriage of Korshunov; 1896-1979) – a singer, lyric soprano. >>

Arcady Koshko(1867-1928) – Riga's famous detective. >>

Tatiana Kosinsky (1903-1981) – an icon painter. >>

Vladimir Kosinsky (1868–1938) – professor, specialist in the field of political economics. Worked at the  Riga Polytechnic Institute from 1901 to 1904 and at the University of Latvia from 1928 to 1938. >>

Vladimir Kosinsky (1908-1959) – assistant at the faculty of medicine of the University of Latvia. After the war worked  at Stradinya Republic Clinic hospital. >>

Marina Kostenetskaya (1945) – writer, broadcaster, essay writer and public person. >>

 Viktor Kostenich (1881-1959) – a sworn advocate. >>