Wikipedia:WikiProject Mathematics/List of mathematicians (K)

Kaa

 * Kaasalainen, Mikko (Finland, 1965–2020)
 * Kaashoek, Rien (Netherlands, born 1937)
 * Kac, Mark (Poland, 1914–1984)
 * Kac, Victor (USA/Russia/Soviet Union, born 1943)
 * Kaczmarz, Stefan (Poland, 1895–1939)
 * Kaczynski, Ted (USA, born 1942)
 * Kadets, Mikhail (?, 1923–2011)
 * Kadison, Richard (USA, 1925–2018)
 * Kagan, Benjamin (Soviet Union, 1869–1953)
 * Kahan, William (?, born 1933)
 * Kahane, Jean-Pierre (France, 1926–2017)
 * Kähler, Erich (Germany, 1906–2000)
 * Kahn, Jeff (?, ?–?)
 * Kahn, Margarethe (?, 1880–1942)
 * Kahn, Philippe (?, born 1952)
 * Kahramaner, Suzan (Turkey, 1913–2006)
 * Kai-lai, Chung (USA, 1917–2009)
 * Kainen, Paul Chester (USA, born 1943)
 * Kaiser, Gabriele (Germany, ?–?)
 * Kaitai, Fang (China, born 1940)
 * Kak, Avinash (USA, born 1944)
 * Kak, Subhash (India, born 1947)
 * Kakeya, Sōichi (Japan, 1886–1947)
 * Kakutani, Shizuo (Japan, 1911–2004)
 * Kalai, Gil (Israel, born 1955)
 * Kalantarov, Varga K. (Turkey/Azerbaijan, born 1950)
 * Kalfagianni, Efstratia (Greece, ?–?)
 * Kalicki, Jan (Poland, 1922–1953)
 * Kaliski, Burt (?, ?–?)
 * Kallenberg, Olav (Sweden, born 1939)
 * Kalliadasis, Serafim (Britain, ?–?)
 * Kallianpur, Gopinath (India, 1925–2015)
 * Kallin, Eva (?, ?–?)
 * Kálmán, Rudolf E. (Hungary, 1930–2016)
 * Kalmár, László (Hungary, 1905–1976)
 * Kalme, Charles (USA, 1939–2002)
 * Kaloshin, Vadim (Russia, ?–?)
 * Kalotay, Andrew (Hungary, born 1940)
 * Kaltenbacher, Barbara (Austria, ?–?)
 * Kalton, Nigel (Britain/USA, 1946–2010)
 * Kalustyan, Hermine Agavni (Armenia/Turkey, 1914–1989)
 * Kaluza, Theodor (Germany, 1885–1954)
 * Kaluznin, Lev (Russia, 1914–1990)

Kam

 * Kamalakara (India, 1616–1700)
 * Kambartel, Friedrich (Germany, 1935–2022)
 * Kambule, Thamsanqa (?, 1921–2009)
 * Kamil, Abu (Medieval Arabia/Medieval Egypt, 850–930)
 * Kamin, Shoshana (Israel/Soviet Union, born 1930)
 * Kamke, Erich (Germany, 1890–1961)
 * van Kampen, Egbert (Belgium/Netherlands, 1908–1942)
 * Kamran, Niky (Belgium/Canada, born 1959)
 * Kan, Alexander Rinnooy (Netherlands, born 1949)
 * Kan, Daniel (Israel, 1927–2013)
 * Kanada, Yasumasa (Japan, 1949–2020)
 * Kanagasabapathy, P. (?, 1923–1977)
 * Kanamori, Akihiro (USA, born 1948)
 * Kane, Daniel (USA, born 1986)
 * Kane, Thomas R. (Austria, 1924–2019)
 * Kang, Feng (China, 1920–1993)
 * Kangro, Gunnar (Estonia, 1913–1975)
 * Kannan, Ravindran (India, born 1953)
 * Kanold, Timothy (USA, ?–?)
 * Kanovei, Vladimir (?, born 1951)
 * Kantor, Isaiah (Russia, 1936–2006)
 * Kantor, Seligmann (?, 1857–1903)
 * Kantorovich, Leonid (Soviet Union/Russia, 1912–1986)
 * Kao, Chiu-Yen (Taiwan, born 1974)
 * Kapeller, Jean-Joseph (?, 1706–1790)
 * Kaper, Hans G. (Netherlands, born 1936)
 * Kaplan, Edward L. (?, 1920–2006)
 * Kaplan, Wilfred (USA, 1915–2007)
 * Kaplansky, Irving (Canada, 1917–2006)
 * Kapovich, Ilya (?, ?–?)
 * Kappraff, Jay (USA, ?–?)
 * Kaprekar, D. R. (India, 1905–1986)
 * Kapustin, Nikolai (mathematician) (Russia, born 1957)

Kar

 * Karaali, Gizem (Turkey, ?–?)
 * Al-Karaji Abu Bakr ibn Muhammad ibn al-Husayn (Medieval Persia, 953–1029)
 * Karamata, Jovan (Serbia/Yugoslavia, 1902–1967)
 * Karandikar, Rajeeva Laxman (India, born 1956)
 * Karapetyan, Garnik A. (Armenia, born 1958)
 * Karatsuba, Anatoly (Soviet Union/Russia, 1937–2008)
 * Karhumäki, Juhani (Finland, born 1949)
 * Karhunen, Kari (Finland, 1915–1992)
 * Kari, Jarkko (Finland, ?–?)
 * Karl, Mary Cordia (?, 1893–1984)
 * Karlin, Samuel (USA, 1924–2007)
 * Karmarkar, Narendra (India, born 1957)
 * Karnaugh, Maurice (?, 1924–2022)
 * Karniadakis, George (USA, ?–?)
 * Károlyházy, Frigyes (Hungary, 1929–2012)
 * Karoubi, Max (France, ?–?)
 * Karoui, Nicole El (France, born 1944)
 * Karp, Carol (?, 1926–1972)
 * Karp, Richard M. (USA, born 1935)
 * Karpelevich, Fridrikh (Russia, 1927–2000)
 * Karpinski, Louis Charles (USA, 1878–1956)
 * Karpinski, Marek (Poland, born 1948)
 * Karshon, Yael (Canada/Israel, ?–?)
 * Karsten, Wenzeslaus Johann Gustav (Germany, 1732–1787)
 * Karush, William (USA, 1917–1997)
 * Karzanov, Alexander V. (Russia, born 1947)
 * Kašanin, Radivoj (Serbia, ?–?)
 * al-Kāshī, Jamshīd (Medieval Persia, 1380–1429)
 * Kashin, Boris (Soviet Union/Russia, born 1951)
 * Kashiwara, Masaki (Japan, born 1947)
 * Kasner, Edward (USA, 1878–1955)
 * Kaspi, Haya (Israel, born 1948)
 * Kassabov, Martin (?, born 1977)
 * Kassel, Fanny (France, born 1984)
 * Kästner, Abraham Gotthelf (Germany, 1719–1800)
 * Kasturirangan, Rajesh (India, ?–?)

Kat

 * Katehakis, Michael (Greece/USA, born 1952)
 * Katětov, Miroslav (Czech Republic, 1918–1995)
 * al-Katibi, Najm al-Din al-Qazwini (Medieval Persia, ?–1276)
 * Kato, Kazuya (Japan, born 1952)
 * Kato, Tosio (Japan, 1917–1999)
 * Katok, Anatole (USA, 1944–2018)
 * Katok, Svetlana (Russia, born 1947)
 * Katona, Gyula O. H. (Hungary, born 1941)
 * Katona, Gyula Y. (Hungary, born 1965)
 * Katsav, Moshe (?, born 1945)
 * Katsurada, Yoshie (Japan, 1911–1980)
 * Kātyāyana (Ancient India, ?–?)
 * Katz, Eric (USA, born 1970s)
 * Katz, Leo (USA, 1914–1976)
 * Katz, Mikhail (Israel, born 1958)
 * Katz, Nick (USA, born 1943)
 * Katz, Sheldon (?, born 1956)
 * Katz, Victor J. (?, born 1942)
 * Katznelson, Yitzhak (Israel, born 1934)
 * Kauers, Manuel (Germany, born 1979)
 * Kauffman, Louis (?, born 1945)
 * Kaufman, Bruria (Israel, 1918–2010)
 * Kaufmann, George Adams (Britain, 1894–1963)
 * Kaufmann, Ralph (Germany, born 1969)
 * Kawai, Takahiro (?, born 1945)
 * Kawamata, Yujiro (?, born 1952)
 * Kawarabayashi, Ken-ichi (Japan, born 1975)
 * Kayastha, Bakul (India, 1400s–1450s)
 * Kazdan, Jerry (?, born 1937)
 * Kazemi, Elham (Iran, ?–?)
 * Kazhdan, David (Israel/Russia/Soviet Union, born 1946)

Kea

 * Keating, Jonathan (?, ?–?)
 * Kechris, Alexander S. (Greece/USA, born 1946)
 * Kedem, Rinat (?, born 1965)
 * Kedlaya, Kiran (?, born 1974)
 * Keeler, Emmett (?, born 1941)
 * Keeler, Ken (USA, born 1961)
 * Keen, Linda (USA, born 1940)
 * Keener, James (USA, ?–?)
 * Keevash, Peter (England, born 1978)
 * Keill, John (Scotland, 1671–1721)
 * Keilson, Julian (USA, 1924–1999)
 * Keisler, Howard Jerome (USA, born 1936)
 * Keith, Mike (USA, born 1955)
 * Keldysh, Lyudmila (Russia, 1904–1976)
 * Keldysh, Mstislav (Soviet Union, 1911–1978)
 * Kelland, Philip (England, 1808–1879)
 * Kelleher, Stephen B. (Ireland, 1875–1917)
 * Keller, Bernhard (Switzerland, born 1964)
 * Keller, Hannes (Switzerland, 1934–2022)
 * Keller, Herbert (USA, 1925–2008)
 * Keller, Joseph (USA, 1923–2016)
 * Keller, Ott-Heinrich (Germany, 1906–1990)
 * Kellerhals, Ruth (Switzerland, born 1957)
 * Kelley, Henry J. (USA, 1926–1988)
 * Kelley, John L. (USA, 1916–1999)
 * Kellogg, Oliver Dimon (USA, 1878–1932)
 * Kelly, David (?, ?–?)
 * Kelly, Frank (England, born 1950)
 * Kelly, Leroy Milton (USA, 1914–2002)
 * Kelly, Max (Australia, 1930–2007)
 * Kelly, Patrick (Britain, 1756–1842)
 * Kelly, Paul (?, 1915–1995)
 * Kelsey, John (?, ?–?)
 * Kelvin, William Thomson, 1st Baron (Britain, 1824–1907)

Kem

 * Kemeny, John G. (Hungary, 1926–1992)
 * Kemp, John (Scotland/USA, 1763–1812)
 * Kempe, Alfred (England/Britain, 1849–1922)
 * Kempe, Julia (Germany/France/Israel, ?–?)
 * Kemperman, Johannes (Netherlands, 1924–2011)
 * Kempf, George (USA, 1944–2002)
 * Kempner, Aubrey J. (USA, 1880–1973)
 * Kempthorne, Oscar (USA/Britain, 1911–2000)
 * Kendall, Claribel (USA, 1889–1965)
 * Kendall, David George (England, 1918–2007)
 * Kendall, Maurice (England, 1907–1983)
 * Kendall, Wilfrid (Britain, born 1954)
 * Kenig, Carlos (?, born 1953)
 * Kenko, Takebe (Japan, 1664–1739)
 * Kenna, Ralph (Ireland, born 1964)
 * Kennedy, Hubert (USA, born 1931)
 * Kennedy, Joseph C. G. (USA, ?–?)
 * Kennedy, Juliette (?, ?–?)
 * Kent, Autumn (?, ?–?)
 * Kenyon, Richard (USA, born 1964)
 * Kepler, Johannes (Germany, 1571–1630)
 * Kerckhoff, Steven (USA, born 1952)
 * Kerékjártó, Béla (Hungary, 1898–1946)
 * Kerr, Roy (New Zealand, born 1934)
 * Kerrich, John Edmund (Britain, 1903–1985)
 * Kersten, Ina (Germany, born 1946)
 * Kertész, Andor (mathematician) (Hungary, 1929–1974)
 * Kervaire, Michel (Switzerland, 1927–2007)
 * Keshet, Leah (Canada/Israel, ?–?)
 * Kessar, Radha (Britain/India, ?–?)
 * Kessner, Thomas (USA, ?–?)
 * Kesten, Harry (USA, 1931–2019)

Kev

 * Kevrekidis, Panayotis G. (?, ?–?)
 * Kevrekidis, Yannís G. (?, born 1959)
 * Keyfitz, Barbara (Canada, ?–?)
 * Keynes, John Maynard (?, 1883–1946)
 * Keyser, Cassius Jackson (USA, 1862–1947)
 * Khachiyan, Leonid (Ethnic Armenia/Armenia/Soviet Union, 1952–2005)
 * Khaketla, 'Mamphono (?, born 1960)
 * Khalilov, Zahid (Azerbaijan, 1911–1974)
 * Khamis, Salem Hanna (Palestinian, 1919–2005)
 * Khamsi, Mohamed Amine (Morocco, born 1959)
 * Khanin, Konstantin (Russia, ?–?)
 * Khare, Chandrashekhar (India, born 1968)
 * Kharlampovich, Olga (Canada, born 1958)
 * Khattree, Ravindra (USA, born 1958)
 * Khayyam, Omar (Medieval Persia, 1048–1131)
 * Khazanov, Aleksandr (?, 1979–2001)
 * al-Khazin, Abu Ja'far (Medieval Persia, 900–971)
 * Al-Khazini (Persia, ?–?)
 * Khesin, Boris (Russia/Soviet Union/Canada, born 1964)
 * Khinchin, Aleksandr (Russia/Soviet Union, 1894–1959)
 * Khmaladze, Estate (Soviet Union, born 1944)
 * Khoái, Hà Huy (Vietnam, born 1946)
 * Khonik, Vitaly Alexandrovich (Russia, born 1955)
 * Khorol, David (Soviet Union, 1920–1990)
 * Khot, Subhash (USA, born 1978)
 * Khovanov, Mikhail (USA, born 1972)
 * Khovanova, Tanya (Soviet Union, born 1959)
 * Khovanskii, Askold (Russia/Canada/Soviet Union, born 1947)
 * al-Khuri, Yusuf (?, ?–?)
 * Kiær, Anders Nicolai (Norway, 1838–1919)

Kie

 * Kiefer, Adolf (Switzerland, 1857–1929)
 * Kiefer, Jack (USA, 1924–1981)
 * Kiehl, Reinhardt (Germany, born 1935)
 * Kiepert, Friedrich Wilhelm August Ludwig (Germany, 1846–1934)
 * Kieran, Carolyn (Canada, ?–?)
 * Kies, Johann (Germany, 1713–1781)
 * Kiesenhofer, Anna (Austria, born 1991)
 * Kiessling, Karl Johann (Germany, 1839–1905)
 * Killing, Wilhelm (Germany, 1847–1923)
 * Killworth, Peter (England, 1946–2008)
 * Kilmister, Clive W. (Britain, 1924–2010)
 * Kim, Jeong Han (South Korea, born 1962)
 * Kim, Ju-Lee (South Korea, ?–?)
 * Kim, Kang-Tae (South Korea, born 1957)
 * Kim, Minhyong (South Korea, ?–?)
 * Kimber, Chawne (?, ?–?)
 * Kimberling, Clark (USA, born 1942)
 * Kinai, Kurushima (Japan, ?–1757)
 * Al-Kindi (Medieval Arabia/Medieval Iraq, 801–873)
 * King-Millward, Carl (England, 1935–2000)
 * King, Amy C. (?, 1928–2014)
 * King, Gregory (England, 1648–1712)
 * King, Joshua (England, 1798–1857)
 * King, Willford I. (USA, 1880–1962)
 * Kingman, John (England, born 1939)
 * Kingsbury, Donald (Canada, born 1929)
 * Kingsley, Calvin (?, 1812–1870)
 * Kinkelin, Hermann (Switzerland, 1832–1913)
 * Kinsey, L. Christine (?, ?–?)
 * Kipling, Charlotte (Britain, 1919–1992)

Kir

 * Kirby, Robion (USA, born 1938)
 * Kirillov Jr., Alexander (Russia, ?–?)
 * Kirillov, Alexandre (Russia/Soviet Union, born 1936)
 * Kirillov, Yelpidifor Anempodistovich (Russia, 1883–1964)
 * Kirillova, Faina Mihajlovna (Belarus, born 1931)
 * Kirk, Vivien (New Zealand, ?–?)
 * Kirk, William Arthur (USA, ?–?)
 * Kirkman, Ellen (?, ?–?)
 * Kirkman, Thomas (Britain, 1806–1895)
 * Kirszbraun, Mojżesz David (Poland, 1903–1942)
 * Kirwan, Frances (Britain, born 1959)
 * Kiselev, Alexander (mathematician) (?, born 1969)
 * Kiselyov, Andrey (?, ?–?)
 * Kish, Laszlo B. (?, born 1955)
 * Kish, Leslie (USA, 1910–2000)
 * Al-Kishwani, Muhammad Ibn Muhammad Al-Fulani (?, ?–?)
 * Kisin, Mark (Australia, ?–?)
 * Kiss, Péter (Hungary, 1937–2002)
 * Kister, Jane (Britain, 1944–2019)
 * Kjeldsen, Tinne Hoff (Denmark, ?–?)
 * Klainerman, Sergiu (Romania, born 1950)
 * Klamkin, Murray S. (Canada, 1921–2004)
 * Klamroth, Kathrin (Germany, born 1968)
 * Klarner, David A. (?, 1940–1999)
 * Klarreich, Erica (?, born 1972)
 * Klartag, Boáz (Israel, born 1978)
 * Klavžar, Sandi (Slovenia, born 1962)
 * Klawe, Maria (Canada, born 1951)
 * Klee, Victor (USA, 1925–2007)
 * Kleene, Stephen Cole (USA, 1909–1994)
 * Kleiman, Steven (USA, born 1942)
 * Klein, Abel (?, born 1945)
 * Klein, David (USA, born 1953)
 * Klein, Elisabeth (France, born 1953)
 * Klein, Felix Christian (Germany, 1849–1925)
 * Klein, Jacob (?, 1899–1978)
 * Klein, Jacob Theodor (Germany/Poland, 1685–1759)
 * Klein, Willem (?, 1912–1986)
 * Kleiner, Bruce (USA, ?–?)
 * Kleiner, Israel (Canada, ?–?)
 * Kleisli, Heinrich (Switzerland, 1930–2011)
 * Kleitman, Daniel (USA, born 1934)

Kli

 * Klimov, Valentin (Soviet Union/Russia, ?–?)
 * Kline, John Robert (USA, 1891–1955)
 * Kline, Morris (USA, 1908–1992)
 * Klingenberg, Wilhelm (Germany, 1924–2010)
 * Klingenstierna, Samuel (Sweden, 1698–1765)
 * Kloosterman, Hendrik (Netherlands, 1900–1968)
 * Klop, Jan Willem (Netherlands, born 1945)
 * Klug, Lipót (?, 1854–1945)
 * Klügel, Georg Simon (Germany, 1739–1812)
 * Klüppelberg, Claudia (Germany, ?–?)
 * Kluvánek, Igor (Slovakia/Australia, 1931–1993)
 * Knapowski, Stanisław (Poland, 1931–1967)
 * Knapp, Anthony W. (USA, born 1941)
 * Knapp, Harold A. (USA, ?–1989)
 * Knar, Joseph (Austria, 1800–1864)
 * Knaster, Bronisław (Poland, 1893–1990)
 * Kneschke, Alfred (Germany, 1902–1979)
 * Kneser, Adolf (Germany, 1862–1930)
 * Kneser, Hellmuth (Germany, 1898–1973)
 * Kneser, Martin (Germany, 1928–2004)
 * Knibbs, George Handley (Australia, 1858–1929)
 * Knight, Genevieve M. (?, 1939–2021)
 * Knight, Julia F. (USA, ?–?)
 * Knoblauch, Johannes (?, 1855–1915)
 * Knobloch, Eberhard (?, born 1943)
 * Knödel, Walter (Austria, 1926–2018)
 * Knopp, Konrad (Germany, 1882–1957)
 * Knopp, Marvin (USA, 1933–2011)
 * Knorr, Wilbur (?, 1945–1997)
 * Knörrer, Horst (Germany, born 1953)
 * Knott, Cargill Gilston (Scotland, 1856–1922)
 * Knox, Dilly (?, 1884–1943)

Knu

 * Knudsen, Jens Martin (?, 1930–2005)
 * Knuth, Donald (USA, born 1938)
 * Knutson, Allen (USA, ?–?)
 * Knyazev, Andrei (Russia/Soviet Union, born 1959)
 * Kobayashi, Shoshichi (Japan, 1932–2012)
 * Kobayashi, Toshiyuki (Japan, born 1962)
 * Kober, Hermann (Germany, 1888–1973)
 * Koblitz, Neal (USA, born 1948)
 * Kocay, William Lawrence (?, ?–?)
 * von Koch, Helge (Sweden, 1870–1924)
 * Koch, Herbert (Germany, born 1962)
 * Koch, Karl-Rudolf (Germany, born 1935)
 * Kochański, Adam Adamandy (Poland, 1631–1700)
 * Kochen, Simon B. (?, born 1934)
 * Kochendörffer, Rudolf (Germany, 1911–1980)
 * Kocher, Paul (USA, born 1973)
 * Kochin, Nikolai (Russia/Soviet Union, 1901–1944)
 * Kocinac, Ljubisa D.R. (Serbia, ?–?)
 * Kočović, Bogoljub (?, 1920–2013)
 * Kodaira, Kunihiko (Japan, 1915–1997)
 * Koebe, Paul (Germany, 1882–1945)
 * Koecher, Max (Germany, 1924–1990)
 * Koenderink, Jan (Netherlands, born 1943)
 * Koenig, Juan Ramón (USA, 1623–1709)
 * Koenigs, Gabriel Xavier Paul (France, 1858–1931)
 * Koffman, Elliot (USA, born 1942)
 * Kofler, Edward (Switzerland, 1911–2007)
 * Kogbetliantz, Ervand G. (Armenia, 1888–1974)
 * Kōhan, Sakabe (Japan, 1759–1824)
 * Kohayakawa, Yoshiharu (Brazil/Japan, born 1963)
 * Kohlenbach, Ulrich (Germany, born 1962)
 * Kohn, Joseph J. (Czech Republic, 1932–2023)
 * Kohn, Robert V. (USA, born 1953)

Kok

 * Koksma, Jurjen Ferdinand (Netherlands, 1904–1964)
 * Kolaitis, Phokion G. (Greece, ?–?)
 * Kolchin, Ellis (USA, 1916–1991)
 * Kolda, Tamara G. (?, ?–?)
 * Kolen, Antoon (Netherlands, 1953–2004)
 * Kolibiar, Milan (Slovakia, 1922–1994)
 * Kollár, János (USA/Hungary, born 1956)
 * Kollros, Louis (?, 1878–1959)
 * Kolman, Ernst (Czech Republic, 1892–1979)
 * Kolmogorov, Andrey (Russia/Soviet Union, 1903–1987)
 * Kolosov, Gury (Russia/Soviet Union, 1867–1936)
 * Kolyvagin, Victor (Russia, ?–?)
 * Komarova, Natalia (Russia, ?–?)
 * Komjáth, Péter (Hungary, born 1953)
 * Komlós, János (Hungary, born 1942)
 * Komrakov, Boris (Russia/Soviet Union, born 1948)
 * Kondrashov, Vladimir Iosifovich (?, 1909–1971)
 * Kondratiev, Yuri (Ukraine, born 1953)
 * Kongoli, Fatos (Albania, born 1944)
 * Konhauser, Joseph (USA, 1924–1992)
 * Kőnig, Dénes (Hungary, 1884–1944)
 * Kőnig, Gyula (Hungary, 1849–1913)
 * König, Johann Samuel (?, 1712–1757)
 * König, Julius (Hungary, 1849–1913)
 * König, Robert (Austria, 1885–1979)
 * Königsberger, Leo (Germany, 1837–1921)
 * Konstantinov, Nikolay (Russia/Soviet Union, 1932–2021)
 * Kontoyiannis, Ioannis (Greece, born 1972)
 * Kontsevich, Maxim (Russia, born 1964)
 * Konyagin, Sergei (Russia, born 1957)

Koo

 * Koopman, Bernard (USA, 1900–1981)
 * Koopmans, Tjalling (?, 1910–1985)
 * Koornwinder, Tom H. (Netherlands, born 1943)
 * Kopell, Nancy (USA, born 1942)
 * Kopke, Diogo (Portugal, 1805–1844)
 * Korányi, Ádám (USA/Hungary, born 1932)
 * Korchmáros, Gábor (Hungary, born 1948)
 * Kordemsky, Boris (?, 1907–1999)
 * Korenblum, Boris (Soviet Union/Israel, 1923–2011)
 * Korepin, Vladimir (Russia, born 1951)
 * Korevaar, Jacob (Netherlands, born 1923)
 * Korkin, Aleksandr (Russia, 1837–1908)
 * Kornai, András (Hungary, born 1957)
 * Körner, János (?, born 1946)
 * Körner, Thomas (Britain, born 1946)
 * Körner, Thomas William (Britain, born 1946)
 * Korobov, Nikolay (Soviet Union/Russia, 1917–2004)
 * Korolev, Viktor (Russia, born 1954)
 * Korolyuk, Volodymyr (Ukraine, 1925–2020)
 * Korotayev, Andrey (Russia, born 1961)
 * Korovina, Maria (Russia, born 1962)
 * Korovkin, Pavel (Russia/Soviet Union, 1913–1985)
 * Korselt, Alwin Reinhold (Germany, 1864–1947)
 * Korte, Bernhard (Germany, born 1938)
 * Korteweg, Diederik (Netherlands, 1848–1941)
 * Korzybski, Alfred (Poland, 1879–1950)
 * Kosambi, Damodar Dharmananda (India, 1907–1966)
 * Koshmanenko, Volodymyr (Ukraine, born 1943)
 * Kosiński, Witold (Poland, 1946–2014)
 * Košir, Manca (Slovenia, ?–?)
 * Kosko, Bart (?, born 1960)
 * Kosmann-Schwarzbach, Yvette (France, born 1941)
 * Kostant, Bertram (USA, 1928–2017)
 * Kostka, Carl (Germany, 1846–1921)
 * Kostomarov, Dmitrij (Russia, ?–?)
 * Kostrikin, Alexei (Soviet Union/Russia, 1929–2000)
 * Koszul, Jean-Louis (France, 1921–2018)

Kot

 * Kotarbiński, Tadeusz (Poland, 1886–1981)
 * Kotelnikov, Aleksandr (Russia, 1865–1944)
 * Köthe, Gottfried (Germany/Austria, 1905–1989)
 * Kotschick, Dieter (?, born 1963)
 * Kötter, Ernst (Germany, 1859–1922)
 * Kottwitz, Robert (USA, born 1950)
 * Kotz, Samuel (?, 1930–2010)
 * Kotzig, Anton (Slovakia/Canada, 1919–1991)
 * Kouneiher, Joseph (France, born 1963)
 * Kovalevskaya, Sofya (Russia/Sweden, 1850–1891)
 * Kowalewski, Gerhard (Germany, 1876–1950)
 * Koyalovich, Boris (Russia, 1867–1941)
 * Koyama, Shin-ya (?, ?–?)
 * Kozma, Gady (Israel, ?–?)
 * Kozma, Robert (USA, ?–?)
 * Kra, Bryna (USA, born 1966)
 * Kra, Irwin (USA, born 1937)
 * Kraft, Jens (Denmark, 1720–1756)
 * Krahn, Edgar (Estonia, 1894–1961)
 * Kraitchik, Maurice (Belgium, 1882–1957)
 * Krajewski, Stanisław (Poland, born 1950)
 * Kráľ, Daniel (Czech Republic, born 1978)
 * Kraljević, Hrvoje (Croatia, born 1944)
 * Kramer, Edna (USA, 1902–1984)
 * Kramers, Hans (?, 1894–1952)
 * Kramkov, Dmitry (Russia/Soviet Union, ?–?)
 * Kramp, Christian (France, 1760–1826)
 * Krantz, Steven G. (USA, born 1951)
 * Krasner, Marc (France, 1912–1985)
 * Krasner, Naum (Soviet Union/Russia, 1924–1999)
 * Krasnoselsky, Mark (Soviet Union/Ukraine/Jewish Ukraine, 1920–1997)
 * Krasovsky, Nikolay (Russia, 1924–2012)
 * Kratochvíl, Jan (Czech Republic, born 1959)
 * Krattenthaler, Christian (Austria, born 1958)
 * Kratzer, Nicholas (?, 1480s–1550)
 * Kravchuk, Mikhail Philippovich (Ukraine/Soviet Union, 1892–1942)
 * Kravitz, Asher (Israel, born 1969)
 * Krazer, Adolf (Germany, 1858–1926)

Kre

 * Kreck, Matthias (Germany, born 1947)
 * Krein, Mark (Ukraine/Soviet Union, 1907–1989)
 * Kreisel, Georg (Austria, 1923–2015)
 * Kreiss, Gunilla (Sweden, born 1958)
 * Kreiss, Heinz-Otto (?, 1930–2015)
 * Krekó, Béla (Hungary, 1915–1994)
 * Kresa, Jakub (Czech Republic, 1648–1715)
 * Kretschmann, Erich (Germany, 1887–1973)
 * Kreuzer, Martin (Germany, born 1962)
 * Kreyszig, Erwin (Canada, 1922–2008)
 * Krichevskii, Rafail (Russia, born 1936)
 * Krieger, Cecilia (Poland/Canada, 1894–1974)
 * Krieger, Holly (USA, ?–?)
 * Kriegsmann, Gregory (USA, ?–?)
 * Kripke, Saul (USA, born 1940)
 * Krishnamurthy, E. M. V. (?, 1934–2012)
 * Krivelevich, Michael (Israel, born 1966)
 * Križan, Josip (Slovenia, 1841–1921)
 * Križanič, France (Slovenia, 1928–2002)
 * Kroese, Dirk (Netherlands, born 1963)
 * Kronecker, Leopold (Germany, 1823–1891)
 * Kronheimer, Peter B. (Britain, born 1963)
 * Kronrod, Alexander (Russia/Soviet Union, 1921–1986)
 * Krüger, André (Germany, born 1964)
 * Krüger, Johann Heinrich Louis (Germany, 1857–1923)
 * Krull, Wolfgang (Germany, 1899–1971)
 * Kruskal, Joseph (USA, 1928–2010)
 * Kruskal, Martin David (USA, 1925–2006)
 * Kruskal, William (USA, 1919–2005)
 * Krygowska, Anna Zofia (?, 1904–1988)
 * Krygowski, Zdzisław (Poland, 1872–1955)
 * Krylov, Aleksey (Russia, 1863–1945)
 * Krylov, Andrei (mathematician) (Russia, born 1956)
 * Krylov, Nikolay (physicist) (?, 1917–1947)

Krz

 * Krzyżanowski, Adrian (Poland, 1788–1852)
 * Kubert, Daniel (USA, 1947–2010)
 * Kubicka, Ewa (Poland, ?–?)
 * Kubilius, Jonas (Lithuania, 1921–2011)
 * Kublanovskaya, Vera (Russia, 1921–2012)
 * Kubota, Tomio (Japan, 1930–2020)
 * Kuczma, Marek (Poland, 1935–1991)
 * Kudla, Stephen S. (USA, born 1950)
 * Kuga, Michio (Japan, 1928–1990)
 * Kugler, Franz Xaver (Germany, 1862–1929)
 * Kühn, Daniela (Germany, born 1973)
 * Kuhn, Harold W. (?, 1925–2014)
 * Kuiper, Nicolaas (Netherlands, 1920–1994)
 * Kuksin, Sergei B. (Soviet Union, born 1955)
 * Kulik, Jakob Philipp (Austria, 1793–1863)
 * Kulisch, Ulrich (Germany, born 1933)
 * Kulkarni, Ravindra Shripad (India, born 1942)
 * Kullback, Solomon (USA, 1903–1994)
 * Kumano-Go, Hitoshi (Japan, 1935–1982)
 * Kumar, Anand (India, born 1973)
 * Kumar, Neithalath Mohan (?, born 1951)
 * Kumar, Palash (India, ?–?)
 * Kumar, Shrawan (?, born 1953)
 * Kumaraswamy, Poondi (India, 1930–1988)
 * Kummer, Ernst (Germany, 1810–1893)
 * Kumon, Toru (Japan, 1914–1995)
 * Kunen, Kenneth (USA, 1943–2020)
 * Künneth, Hermann (Germany, 1892–1975)
 * Kunoth, Angela (Germany, born 1963)
 * Künsch, Hans-Rudolf (Switzerland, born 1951)
 * Kuntzmann, Jean (France, 1912–1992)
 * Kunze, Ray (?, 1928–2014)

Kuo

 * Kuo, Frances (Taiwan/Australia, ?–?)
 * Kuo, Shen (Medieval China, 1031–1095)
 * Kuperberg, Greg (Poland, born 1967)
 * Kuperberg, Krystyna (Poland, born 1944)
 * Kuperberg, Włodzimierz (Poland/USA, born 1941)
 * Kupiainen, Antti (Finland, born 1954)
 * Kupperman, Robert (USA, 1935–2006)
 * Kuranishi, Masatake (?, 1924–2021)
 * Kuratowski, Kazimierz (Poland, 1896–1980)
 * Kurepa, Đuro (Serbia/Yugoslavia, 1907–1993)
 * Kurepa, Svetozar (Serbia/Yugoslavia, 1929–2010)
 * Kůrková, Věra (Czech Republic, born 1948)
 * Kuroda, Sigekatu (?, ?–?)
 * Kurokawa, Nobushige (Japan, born 1952)
 * Kurosh, Aleksandr Gennadievich (Russia/Soviet Union, 1908–1971)
 * Kürschák, József (Hungary, 1864–1933)
 * Kurtz, Thomas G. (USA, born 1941)
 * Kurzweil, Jaroslav (Czech Republic, 1926–2022)
 * Kushner, Boris (mathematician) (Russia, 1941–2019)
 * Kuske, Rachel (Canada/USA, ?–?)
 * Kutateladze, Semën Samsonovich (Russia, born 1945)
 * Kutnar, Klavdija (Slovenia, born 1980)
 * Kutt, Mers (Canada, born 1933)
 * Kutta, Martin (?, 1867–1944)
 * Kuttner, Brian (England, 1908–1992)
 * Kutyniok, Gitta (Germany, born 1972)
 * Kutz, J. Nathan (?, ?–?)
 * Kutzko, Philip (USA, born 1946)
 * Kuzmicich, Steve (New Zealand, 1931–2018)
 * Kuzmin, Rodion (Soviet Union/Russia, 1891–1949)
 * Kuznets, Simon (USA, 1901–1985)
 * Kuznetsov, Alexander (Russia, born 1973)
 * Kuznetsov, Nikolay V. (?, born 1979)
 * Kuznetsov, Yuri A. (Russia/USA, ?–?)

Kyn

 * Kyne (drag queen) (Canada, ?–?)