Sergei Kruk (1968) – Doctoral degree in Information and Communication Sciences (Dr. sc. inf.), Université Paris-II Panthéon-Assas (2003). >>

Inna Krutikova (1943) – an artistic leader and conductor of the junior orchestra of folk instruments «Kadans». >>

Vitaly Kucevalov (1926-1992) – Habilitated Doctor of Engineering, professor, specialist in the field of energetics and electrical engineering. >>

Alexander Kudashev (1872-1917)  – designer of the first Russian aircraft. >>

Vasily Kudryachev (1869-1941) – entrepreneur and Head of Riga Grebenshchikov Old Believers Community. >>

Mikhail Kudryavtsev (1905–after 1941) – lawyer. >>

Konstantin Kuleyev (1880–1971) – a teacher, Director of Daugavpils Russian  gymnasium from 1923 to 1935. >>

Mikhail Kulichkov (Ramus) (1955-2010) – an artist, was a member of Riga artist group "Independent Art". >>

Dmitry Kulkov (1906-1989) – violinist, viola player, conductor and composer. >>

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