Johann Koehler (1873–1954) – Director of  Riga city Russian Secondary School (1919 – 1921), teacher of history. >>

Nina Kohler (1907-?) –  a teacher of German and Russian. >>

Nikolay Kolosov (1896–1966) –  teacher of sciences in the Russian Schools of Riga, in 1940 - principal of Basic school Nr.13. >>

Ludmila Kolosova (1891-1983) – a teacher of gymnastics and housekeeping. >>

Tamara Korobtsova (1931-2013) – from 1965 was a teacher of Russian and literature in Riga schools. >>

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

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

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

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

Nikolay Kuzminsky (1881-1945) – teacher, chairman of the Union of Russian Teachers in Latvia. >>