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

Vladimir Krikunov (1950) –  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) – a civil engineer, deputy of the Riga City Council and public figure. >>

Nikolay Krivoshein (1960) – an artist. >>

Nikolay Kropotkin (1872–1937)  – a nobleman, descendent of Ryuric, founder of the resort in Sigulda – one of the most famous places of Latvia. >>

Ludmila Kruglevska (née Pokrovskaya; 1895–1991) –  a linguist. >>

Alexander Kruglevsky (1886–1964) – a docent (from 1924) of the  Department of Criminal Law at the University of Latvia, professor from 1945 to 1948. >>