Tamas Kotai (1959)
Kenya Kotake 
Guillaume Kotarbinski (Polish)
Vasili Aleksandrovich Kotarbinsky (Russian, 1849-1921)
Karoly Kotasz (Hungarian, 1872-1941)
George Kotch (1885-1951)
Ervand Kotchar (Armenian, 1899-1979)
Meline Kotchar (1899)
Olga Kotcharova (Russian, 1954)
Kotchegoura (Russian, 1913)
Vladimir Kotchegura (Russian, 1904-1970)
Andrei Kotchetkov (Russian, 1925)
Olga Kotchetova (Russian)
Vladimir Kotchounov (Russian, 1929)
Ljudmila Kotelevskaya (Russian, 1951)
Viatcheslav Kotelevsky (Russian, 1948)
Fritz Köthe (German, 1916)
Jutta Kother 
Paul Kother (1878)
Anton Kothgasser 
Guevork Kotiants (Russian, 1906)
Kotianz (Russian)
Jan Kotik (1916)
Pravoslav Kotik (Czechoslovakian, 1889-1970)
Teuvo Kotilainen (Finnish, 1925)
Albert Kotin (American, 1907-1980)
S. Kotischer (German)
David Kotker (American)
Joseph Stanislaus Ostoja Kotkowski 
Alain Kotlar (1940)
Pavel Kotlarevsky (Russian, 1885-1950)
Martin J. Kotler (American)
Lev Serafimovich Kotlyarov (Russian, 1925)
P. Kotlyarov 
Yukie Kotoku (Japanese, born after 1890-died after 1933)
Torii Kotondo (Japanese, 1900-1977)
Nikolai Grigorievich Kotov (Russian)
Petr Ivanovich Kotov (Russian, 1889-1953)
Jan Ezram Kotowski (Polish, 1885-1960)
Eiichi Kotozuka (Japanese, 1901)
Igor Kotsarev (Russian, 1967)
Theodor Kotsch (German, 1818-1884)
Hugo Kotschenreiter (German, 1854-1908)
G. Kotschmiester 
Hynek Kott 
Franz Kottencamp 
Paul Kottenkamp (German, 1883-1968)
Hans Kotter 
Jan Kotting (Dutch, born after 1909-died after 1994)
Joey Kotting 
Yannis Kottis (Greek, born after 1949)
Howard William Kottler (American, 1930-1989)
Moses Kottler (South African, 1896-1977)
Franz Jakob Anton Kottmann 
Friedrich Kottmann 
Dominik Kottula (German, 1785)
Eduard Kottwitz 
Kotula (American)
Lynn Kotula 
Dominik Kotulla (Czech)
Ferdinand Kotvald (Austrian, 1897)
Rafi Kotz (Israeli, 1953)
Daniel Kotz (American, 1848-1933)
Alexander August von Kotzbue (German, 1815-1889)
Otto von Kotzebue (German, born after 1936)
Wilhelm von Kotzebue (German, 1864-1952)
August Kotzsch (German, 1836-1910)
Ephren Kouakou 
Les Kouba (American)
Kouchner 
Frantisek Koudelka (Czechoslovakian, 1896)
Josef Koudelka (1877-1960)
Josef Koudelka (Czech, 1938)
Pauline von Koudelka-Schmerling (Austrian, 1806-1840)
Thavorn Ko-Udomvit (Thai)
J. Koudpike 
Mikhail Kougatch (Russian, 1939)
Pavlos Kougioumtzis (Greek, 1945)
Stefanos Koukas (Greek, born after 1944)
Mikhaïl Kouklev (Russian, 1921)
Kerik Kouklis 
 

Valentin Koukoitzev (Russian, 1922)
Victor Koukol 
Dimitris Koukos (Greek, 1948)
Valery Koukourine (Russian, 1940)
Vladimir Koukrine (Russian, 1924)
Michael Kouliche (French, 1922)
Gilbert Koull 
Nicholaos Kounelakis (Greek, 1829-1869)
Jannis Kounellis (Greek, 1936)
Marie Koupal (Hungarian)
Léo Kouper (1926)
Aram Koupetzian (Russian)
Jan Kouppert 
Bernard Koura 
Tim Kourounis 
Harry Koursaros (American, 1928-1986)
June Koury (American)
Josef Kousal (Czechoslovakian, 1902)
Lou Kousens (American, born after 1899-died after 1997)
Karaman Koutateladze 
Nikolaos Koutouzis (Greek, 1741-1813)
N. Kouts (Russian)
Sacha Koutseff (1940)
Costas Koutsouris (Greek, born after 1913-died after 1991)
Gordon Koutts 
Georgios Kouvakis (Greek, 1946)
Philips van Kouwenberg (Dutch, 1671-1729)
Jacob van Kouwenhoven (Dutch, 1777-1825)
Nigmat Kouzibaev (Russian, 1929)
Fredo Kovacevic (Yugoslavian, 1870-1927)
Nikola Kovacevic (1933)
Branko Kovaceviv (Yugoslavian, 1911)
George Kovach 
Josip Kovacic (Yugoslavian, 1946)
Mijo Kovacic (Yugoslavian, 1935)
Ivan Kovaciv (Yugoslavian)
Kovacs 
Attila Kovacs (Hungarian, 1938)
Dezso Kovacs (Hungarian)
E. Kezdi Kovacs (Hungarian)
Francois Kovacs 
Ildiko Kovacs (1962)
Imre Kovacs (Hungarian, 1938)
Izsak Kovacs 
Joseph Kovacs 
Laszlo Kovacs (1944)
Laszlo Kezdy Kovacs (Hungarian, 1864-1942)
Laszlo Tamas Kovacs (Hungarian)
Levente Kovacs (1922)
Mihály Kovács (Hungarian, 1818-1892)
Peter Kovacs (1943)
Zoltan (Kovats) Kovacs (Rumanian, 1883-1952)
Peter Kovacsy 
Anastasia Kovalenkova (Russian, 1968)
S. Kovalev 
Zinaida Kovalevskaya (Russian)
Pavel Osipovich Kovalevsky (Russian, 1843-1903)
Jiri Kovanda (Czech, 1953)
V. Kovanec 
Vladimir Kovár (Czech, 1899-1950)
E. Kovari 
Anatole Kovarsky 
E. Kovary (Hungarian)
Andor Kovasits (Austrian)
Pavline Kovatchev (Bulgarian, 1951)
Ferenc P. Kováts (Hungarian, 1911-1983)
Gyula Kovats (Hungarian)
Tania Kovats 
Mark A. Koven (American)
Georgij Vassilievich Kovenchuk (Russian, 1933)
Gyula Kover (Hungarian, 1883)
Geza Kovesdy 
Dezso A. Kovesi (Hungarian/American)
Kovider 
Michael Kovner (Israeli, 1948)
Saul Kovner (Russian/American, 1904-1982)
Kovo (1952)
Kovrijkine (Russian)
Ivan Fedorovich Kovshenko (Russian, 1824-1898)
Viktor Kovtoun (1958)