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. >>

Nadezhda Kravchyonok-Feldmane (born Liebtahl; 1915-2003) – Doctor of philology ( Dr. phil.). >>

Vladimir Krikunov (1960) –  from 1976 to 1982 played for the hockey club «Dinamo» Riga.  From the November 2021 – the head coach of the Dynamo – Riga hockey team. >>

Ivan Krylov (1769–1844) – a famous fabula writer, publisher of magazines and  script-writer, two years worked in Riga as secretary of Governor-General. >>

Mikhail Krivoshapkin (1888-1943) – civil engineer, deputy of the Riga City Council and public figure. >>