Yuri Khrol (1933–2008) – Habilitated Doctor of Chemistry (Dr. habil. chem.), professor, specialist in wood chemistry and technology, forest ecology, honorary member of the Latvian Academy of Agricultural and Forest Sciences (2000). >>

Pyotr Khudobchenok (1947–2024) – a famous craftsman in ceramics from Daugavpils. >>

Stephan Kirillov (1877–1960)  – an Old Believers public and political leader. >>

Igor Kirko (1918–2007) – Doctor of Physics and Mathematics, academician, from 1948 to 1967 director of the Institute of Physics of  Latvian Academy of Sciences. >>

Imant Kirtovsky (1930–2020) – an economist, professor, Director of the Institute of Economics of the Latvian SSR from 1974 to 1990 >>

Mikhail Kiryakov (1874 –1952 ?) – a member of Latgalian dstrict court, since 1934 member of  Daugavpils district court. >>

Vasily Kislov (1847–1892) – a conductor and composer, choir master of the Riga  Bischop`s Choir >>

Alexey Kizelbash (approx 1850–1916) – an architect, public figure. >>

Yuri Kizima (1933–2021) – Doctor of Engineering (Dr. sc. ing.), specialist in the field of aviation technology. >>

Ivan Klementyev (1960) – an Olympic Champion (1988) and multiple world champion in solo canoeing. Politician, member of the Saeima of Latvia since 2006 >>