| Nguyen Khanh | South Vietnamese soldier | 1927–2013 |
| Ro Khanna | U.S. Representative from Cali… | 1976 |
| Bassel Khartabil | free culture and democracy ac… | 1981–2015 |
| Jamal Khashoggi | Saudi Arabian journalist | 1958–2018 |
| Ahmad Khatami | Iranian ayatollah | 1960 |
| Mohammad Khatami | Iranian prominent reformist p… | 1943 |
| Ibrahim Khawas | Iranian scientist | |
| Omar Khayyám | Persian poet, philosopher, ma… | 1048–1131 |
| Georges Abou Khazen | Syrian bishop | 1947 |
| Shiv Khera | Indian politician | 1961 |
| Devyani Khobragade | Indian diplomat | 1974 |
| Uttam Khobragade | bureaucrat | 1951 |
| Mikhail Khodaryonok | Colonel of the Russian Armed … | 1954 |
| Ruhollah Khomeini | Religious leader, politician | 1902–1989 |
| Babak Khorramdin | Persian revolutionary | 798–838 |
| Shappi Khorsandi | Iranian born comedian | 1973 |
| Nikita Khrushchev | First Secretary of the Commun… | 1894–1971 |
| Thokozani Khuphe | Deputy Prime Minister of Zimb… | 1963 |
| Rakesh Khurana | American business academic | 1967 |
| Nasir Khusraw | Persian poet and philosopher | 1004–1088 |
| Amir Khusrow | Indian poet, writer, musician… | 1253–1325 |
| Dilgo Khyentse | Bhutanese Buddhist Lama | 1910–1991 |
| Victor Kiam | American businessman, America… | 1926–2001 |
| Ilmari Kianto | Finnish writer | 1874–1970 |
| Abbas Kiarostami | Iranian film director, screen… | 1940–2016 |
| Mwai Kibaki | Former president of Kenya | 1931 |
| Billy the Kid | American cattle rustler, gamb… | 1859–1881 |
| Sue Monk Kidd | Novelist | 1948 |
| Tracy Kidder | writer | 1945 |
| Nicole Kidman | Australian-American actress a… | 1967 |
| Anthony Kiedis | American singer | 1962 |
| Anselm Kiefer | German painter and sculptor | 1945 |
| John Kieran | American sportswriter | 1892–1981 |
| Sören Kierkegaard | Danish philosopher and theolo… | 1813–1855 |
| Caitlín R. Kiernan | writer | 1964 |
| Krzysztof Kieślowski | Polish film director and scre… | 1941–1996 |
| Lý Thường Kiệt | Vietnamese general and poet | 1019–1105 |
| Hamis Kiggundu | Ugandan business magnate, Int… | 1984 |
| Louis Frederick Kihneman | American prelate of the Catho… | 1952 |
| Hideyuki Kikuchi | Japanese novelist | 1949 |
| Tarcisio Isao Kikuchi | Japanese bishop | 1958 |
| Jakaya Kikwete | Tanzanian politician and pres… | 1950 |
| Steve Kilbey | British artist | 1954 |
| Jack Kilby | American electrical engineer | 1923–2005 |
| Gary Kildall | Computer scientist and entrep… | 1942–1994 |
| Brigit of Kildare | Irish abbess and saint | 451–525 |
| Adam Kilgarriff | linguist from England | 1960–2015 |
| Masta Killa | American rapper and member of… | 1969 |
| Steve Killelea | Australian businessman | 1949 |
| Joyce Kilmer | American poet, editor, litera… | 1886–1918 |
| Val Kilmer | American actor | 1959 |
| Josh Kilmer-Purcell | American writer | 1969 |
| Lemmy Kilmister | British singer-songwriter | 1945–2015 |
| Robert Kilroy-Silk | British politician | 1942 |
| Claudia Kim | South Korean actress | 1985 |
| Daniel Dae Kim | American actor | 1968 |
| Jim Yong Kim | Korean-American physician and… | 1959 |
| W. Chan Kim | South Korean economist | 1951 |
| Yunjin Kim | South Korean-American actress… | 1973 |
| Dexter S. Kimball | American engineer | 1865–1952 |
| Heber C. Kimball | American Mormon leader | 1801–1868 |
| Spencer W. Kimball | President of The Church of Je… | 1895–1985 |
| Jimmy Kimmel | American talk show host and c… | 1967 |
| Ban Ki-moon | 8th Secretary-General of the … | 1944 |
| Jamaica Kincaid | Antiguan-American novelist, e… | 1949 |
| Mwanandeke Kindembo | Congolese author | 1996 |
| Charles P. Kindleberger | American economic historian | 1910–2003 |
| Alveda King | American, civil rights activi… | 1951 |
| Angus King | United States Senator from Ma… | 1944 |
| Barbara J. King | American anthropologist and p… | 1956 |
| Basil King | Canadian writer | 1859–1928 |
| Bernice King | American minister, daughter o… | 1963 |
| Billie Jean King | American tennis player | 1943 |
| Carole King | Nasa | 1942 |
| Charles D. B. King | President of Liberia | 1875–1961 |
| Coretta Scott King | American author, activist, an… | 1927–2006 |
| Dexter Scott King | American civil rights activist | 1961 |
| Ernest King | United States Navy admiral, C… | 1878–1956 |
| Florence King | American writer | 1936–2016 |
| John King | Bishop of London in the Churc… | 1559–1621 |
| Jonathan King | English singer, songwriter, i… | 1944 |
| Larry King | American television and radio… | 1933 |
| Laurie R. King | American novelist | 1952 |
| Lily King | American writer | 1963 |
| Peter T. King | American politician | 1944 |
| Regina King | actress | 1971 |
| Rodney King | American taxi driver and poli… | 1969–2012 |
| Stephen King | American author | 1947 |
| Steve King | US Representative for Iowa | 1949 |
| Vex King | | |
| William King | contemporary American sculptor | 1663–1712 |
| William R. King | | |
| Yolanda King | American actress | 1955–2007 |
| Edward VIII of the United Kingdom | king of the United Kingdom an… | 1894–1972 |
| George III of the United Kingdom | King of Great Britain and Kin… | 1738–1820 |
| George V of the United Kingdom | King of the United Kingdom an… | 1865–1936 |
| Princess Beatrice of the United Kingdom | Member of the British Royal F… | 1857–1944 |
| Victoria of the United Kingdom | British monarch who reigned 1… | 1819–1901 |
| William IV of the United Kingdom | King of the United Kingdom of… | 1765–1837 |
| John W. Kingdon | American political scientist | 1940 |
