- K. Alexander Müller1927Physicist
- K. Warner Schaie1928Psychologist known for longitudinal research on cognitive aging
- Kadya Molodowsky1894Kadya Molodowsky was a major figure in the Yiddish literary scene in Warsaw (from the…
- Kaia Gerber2018American model and actress
- Kalonymus ben Kalonymus1286 CEPhilosopher and prolific translator who rendered many Arabic scientific, mathematical and…
- Karel Ančerl1908Orchestra conductor
- Karen GershonWriter and poet Karen Gershon escaped the Holocaust by being sent to England on the…
- Karen LevineAuthor and radio producer known for the bestselling Hana's Suitcase.
- Karen Nussbaum1950Co-founder of 9to5, the National Association of Working Women, championing rights, pay…
- Karen Sarhon1958Karen Gerson Sarhon, founder and vocalist of the Sephardic music group Los Pasharos…
- Karl Abraham1877Pioneering psychoanalyst who advanced theories of libidinal development and…
- Karl Davydov1838Cellist and composer
- Karl Deutsch1912Political scientist
- Karl Eliasberg1907Orchestra conductor
- Karl Goldmark1830Hungarian composer of the opera The Queen of Sheba and the Rustic Wedding Symphony
- Karl Herzfeld1892Physicist
- Karl KrausProfiled in Thinkers of the 20th Century
- Karl Landsteiner1930Discovery of the human blood groups
- Karl Lark-Horovitz1892Physicist
- Karl Löwith1897German philosopher of history and secularization
- Karl Mannheim1893Founder of the sociology of knowledge
- Karl Maramorosch1980Virologist of insect-borne plant diseases
- Karl Marx1848Communist Manifesto
- Karl Menger1902Dimension theory
- Karl Meyer1899Biochemist who discovered hyaluronidase and studied connective-tissue chemistry
- Karl Polanyi1886Economic anthropologist and historian, author of 'The Great Transformation'
- Karl Popper1902Philosopher of science, developed falsifiability as the criterion of demarcation
- Karl Pribram1919Neuroscientist known for the holonomic theory of brain function.
- Karl Rubin1956Number theory
- Karl Schwarzschild1873Astrophysicist who formulated the atmospheric radiative-equilibrium concept and the first…
- Karl ShapiroPulitzer Prize for Poetry
- Karl von Frisch1886Awarded the 1973 Nobel Prize in Medicine for decoding the 'dance language' of honeybees
- Karl Weissenberg1893Physicist known for rheology and the Weissenberg effect
- Karlie Kloss1992Supermodel and founder of the Kode with Klossy coding program for girls.
- Kasimir Fajans1887Physical chemist known for radioactivity work and Fajans' rules
- Kat Dennings2011Actress (2 Broke Girls, Thor), born Katherine Litwack to a Jewish family
- Kat GrahamActress and singer known for 'The Vampire Diaries'.
- Kate Berlant2022American comedian and writer
- Kate Bornstein1948Kate Bornstein is a pathbreaking transgender lesbian activist, theorist, and performance…
- Kate Capshaw1991Actress who converted to Judaism in 1991
- Käte Frankenthal1889A stubborn nonconformist from an early age, Käte Frankenthal was a physician and…
- Kate Friedlander1902Psychoanalyst noted for work on juvenile delinquency
- Käte Hamburger1896Käte Hamburger was a German literary scholar and philosopher who developed a…
- Kate Hudson1979American actress known for Almost Famous and How to Lose a Guy in 10 Days.
- Kate Magnus1844Kate Emanuel Magnus (1844-1924) was an educator and writer best known for her Outlines of…
- Käte Rosenheim1892A social worker by training, Käte Rosenheim held numerous public service positions in…
- Kate Siegel1982Actress and writer known for Mike Flanagan horror works including 'Hush' and 'The…
- Kate SimonKate Simon wrote numerous books, including a series of guidebooks for Meridian Books.
- Kate TamarkinOrchestra conductor
- Käte WallachKäte Wallach was a German lawyer who, due to her being Jewish, was unable to practice law…
- Katharine Engel1898Katherine Engel helped the massive wave of European Jewish émigrés after World War II…
- Katharine Graham1917Publisher of The Washington Post during Watergate
- Käthe LeichterA socialist feminist with a doctorate in political economy, Käthe Leichter was a…
- Katherine M. Cohen1859Katherine M. Cohen was a sculptor and artist dedicated to advocating for equality for…
- Kathryn Grody1946American actress and writer known for her stage work and the film 'Reds.'
- Katie GluckmannKatie Gluckmann was a prominent leader in South Africa’s Zionist movement of the early to…
- Katja Behrens1942Katja Behrens was a Jewish-German writer, translator, director, and activist whose…
- Katya Delakova1914Katya Delakova was a pioneer of Jewish dance, blending folk traditions, Hasidic worship…
- Kazimierz BrandysAuthor
- Kazimierz Kuratowski1896Topology and set theory
- Keith Gordon1961Actor turned director ('A Midnight Clear', 'Dexter' episodes)
- Kelly Kelly2011American professional wrestler
- Ken LudwigTony Award — Best Musical
- Ken Moelis1958Founder, chairman and CEO of Moelis & Company, a leading independent M&A advisory…
- Ken Olin1954Actor ('Thirtysomething') and executive producer-director ('This Is Us')
- Kenneth AppelComputer & information scientist
- Kenneth Arrow1972General Equilibrium Theory
- Kenneth Cole1982Footwear and fashion designer, founder of Kenneth Cole Productions
- Kenneth Eisenthal1934Physical chemist known for surface and interface spectroscopy
- Kenneth Flexner FearingPoet / lyricist
- Kenneth Jay Lane1963Costume-jewelry designer who made faux jewels chic for Jackie Kennedy, Diana Vreeland…
- Kenneth KochPoet / lyricist
- Kenneth Lonergan2016Writer-director of Manchester by the Sea (Academy Award 2016)
- Kenneth PerlinComputer & information scientist
- Kenneth Ribet1948Number theory
- Kenneth RogoffEconomist
- Kenneth Roth1955Executive director of Human Rights Watch for nearly three decades, building it into the…
- Kenny G1986Saxophonist Kenneth Gorelick, best-selling instrumental musician.
- Keren Margalit1971Israeli screenwriter and director behind the internationally adapted series Yellow…
- Kerri Strug1996Gymnast
- Kevin Bright1954Producer/director of Friends
- Kevin Kline1988Oscar-winning American actor
- Kevin Pollak1957Actor and comedian known for A Few Good Men and The Usual Suspects
- Kevin Youkilis2007Baseball
- Kidada Jones1974American model and designer, daughter of actress Peggy Lipton.
- Kim Chernin1940From poetry to the probing of women’s eating disorders, from autobiography to the story…
- King Davidc. 1000 BCE (biblical narrative)Warrior-king of the biblical narrative who united Israel and made Jerusalem its capital
- King Princess1998Singer-songwriter (Mikaela Straus) who broke through with the hit single 'Pussy Is God'.
- King Solomonc. 970 BCEKing of Israel renowned for wisdom
- Kinky Friedman1944Country/satirical singer-songwriter, leader of the Texas Jewboys.
- Kiril Kulish2009American dancer and actor
- Kirill Kondrashin1914Orchestra conductor
- Kirill Petrenko1972Orchestra conductor
- Kirk Douglas1916American actor known for Spartacus and Ace in the Hole.
- Kit Fine1946Philosopher of logic, metaphysics, and language
- Kivie Kaplan1904Businessman-philanthropist who served as national president of the NAACP from 1966 until…
- Klára Dán von Neumann1948One of the first computer programmers
- Klaus MannAuthor
- Klaus Roth1925Number theory
- Klaus Ruedenberg1920Theoretical chemist known for the theory of the chemical bond
- Kobbi Nissim2017Israeli co-inventor of differential privacy
- Kobi Halperin2015Israeli-American designer
- Konrad Bloch1912Biochemist awarded the 1964 Nobel Prize for elucidating the metabolism of cholesterol and…
- Korney ChukovskyPoet / lyricist
- Krystyna Zywulska1918Born Sonia Landau in 1918, Krystyna Żywulska escaped the Warsaw Ghetto, hid as a…
- Krzysztof Kamil BaczyńskiPoet / lyricist
- Kurt Adler1907Orchestra conductor
- Kurt Goldstein1878Neurologist and founder of the holistic and organismic approach to brain function.
- Kurt Gottfried1929Physicist
- Kurt Grelling1886Logician, formulated the Grelling–Nelson paradox
- Kurt Hensel1861Introduced the p-adic numbers
- Kurt Koffka1886Co-founder of Gestalt psychology
- Kurt Lewin1890Founder of modern social psychology and field theory
- Kurt Mahler1903Number theory
- Kurt Mendelssohn1906Physicist
- Kurt Mislow1923Organic chemist known for stereochemistry and molecular chirality
- Kurt Sanderling1912Orchestra conductor
- Kurt Weill1900Composer of The Threepenny Opera and Broadway works blending classical and popular idioms
- Kurt Wolff1912Sociologist of knowledge and leading translator and interpreter of Georg Simmel
- Kyle KashuvParkland shooting survivor and conservative commentator active in national gun-policy…