| Scott Kurtz | American comics creator | 1971 |
| Alex Kurtzman | American television producer | 1973 |
| Ray Kurzweil | Author, scientist, inventor, … | 1948 |
| Michio Kushi | Japanese educator | 1926–2014 |
| Taubie Kushlick | South African actor and direc… | 1910–1991 |
| Ellen Kushner | American writer | 1955 |
| Rachel Kushner | writer from the United States | 1968 |
| Tony Kushner | American playwright and scree… | 1956 |
| Donald Kuspit | American art critic | 1935 |
| Emir Kusturica | Serbian film director, actor … | 1954 |
| Ken Kutaragi | Japanese businessman | 1950 |
| Henry Kuttner | American author | 1915–1958 |
| Robert Kuttner | American journalist | 1943 |
| Saara Kuugongelwa | Prime Minister of Namibia | 1967 |
| Kuvempu | Kannada novelist, poet, playw… | 1904–1994 |
| Abraham Kuyper | Dutch politician | 1837–1920 |
| István Küzmics | Hungarian translator | 1723–1779 |
| Elena Efimovna Kuzmina | Russian archaeologist | 1931–2013 |
| Cassandra Kuzneski | | |
| Chris Kuzneski | American writer | 1969 |
| Simon Kuznets | economist | 1901–1985 |
| Jaroslav Kvapil | Czech politician, poet, theat… | 1868–1950 |
| Michelle Kwan | American figure skater | 1980 |
| Nancy Kwan | Chinese-American actress and … | 1939 |
| Yu Kwang-chung | Taiwanese poet | 1928–2017 |
| Koo Kwang-ming | Taiwanese businessman and ind… | 1926 |
| Aleksander Kwaśniewski | Polish politician, president … | 1954 |
| Talib Kweli | American rapper | 1975 |
| Karen Kwiatkowski | retired military officer and … | 1960 |
| Yuen Kwok-yung | Hong Kong microbiologist, phy… | 1956 |
| Glacier Kwong | Hong Kong human rights activi… | 1996 |
| Wang Kwo-tsai | politician | |
| Manfred Kyber | German playwright and transla… | 1880–1933 |
| Jesper Kyd | musician | 1972 |
| Thomas Kyd | English dramatist | 1558–1594 |
| Aung San Suu Kyi | State Counsellor of Myanmar a… | 1945 |
| Jon Kyl | junior U.S. Senator from Ariz… | 1942 |
| Iris Kyle | American bodybuilder | 1974 |
| Aya Kyogoku | Video game director | 1981 |
| Mukai Kyorai | poet | 1651–1704 |
| Sergiy Kyslytsya | Ukrainian diplomat | 1969 |
| Fumio Kyūma | Japanese politician | 1940 |
