| Guillermo Lasso | President of Ecuador | 1955 |
| Fermín Lasuén | Spanish missionary to Alta Ca… | 1736–1803 |
| Ervin László | Hungarian musician and philos… | 1932 |
| Mark Latham | Australian politician | 1961 |
| Peter Mere Latham | English physician and educator | 1789–1875 |
| George Parsons Lathrop | United States novelist and po… | 1851–1898 |
| Queen Latifah | American musician and actress | 1970 |
| Elizabeth Wormeley Latimer | English-American writer and t… | 1822–1904 |
| Hugh Latimer | British bishop | 1485–1555 |
| Bruno Latour | French sociologist, philosoph… | 1947 |
| Jake LaTurner | American politician | 1988 |
| William Laud | Archbishop of Canterbury | 1573–1645 |
| Niki Lauda | Austrian former Formula 1 rac… | 1949–2019 |
| Larry Laudan | American philosopher | 1941 |
| Richard Maitland, 4th Earl of Lauderdale | Scottish Jacobite politician | 1653–1695 |
| Max von Laue | German physicist | 1879–1960 |
| Robert B. Laughlin | American physicist | 1950 |
| Cyndi Lauper | American singer, songwriter, … | 1953 |
| Stephanie Laurens | Australian writer | 1943 |
| Yves Saint Laurent | fashion designer | 1936–2008 |
| Teresa de Lauretis | Italian academic | 1938 |
| Hugh Laurie | British actor, comedian, writ… | 1959 |
| Piper Laurie | actress | 1932 |
| Wilfrid Laurier | 7th prime minister of Canada | 1841–1919 |
| Frank Lautenberg | U.S. Senator from New Jersey | 1924–2013 |
| Karl Lauterbach | German politician and Federal… | 1963 |
| Comte de Lautréamont | French poet | 1846–1870 |
| Dorianne Laux | American poet | 1952 |
| Johann Kaspar Lavater | Swiss poet | 1741–1801 |
| Anton LaVey | Founder of the Church of Sata… | 1930–1997 |
| Tato Laviera | Puerto Rican writer | 1950–2013 |
| Avril Lavigne | Canadian singer-songwriter an… | 1984 |
| Antoine Lavoisier | French chemist | 1743–1794 |
| Sergey Lavrov | Russian politician and Foreig… | 1950 |
| Bonar Law | Former Prime Minister of the … | 1858–1923 |
| Jude Law | English actor | 1972 |
| William Law | English cleric, nonjuror and … | 1686–1761 |
| Stephen R. Lawhead | American writer | 1950 |
| Blackie Lawless | musician, songwriter and actor | 1956 |
| Lucy Lawless | New Zealand actress | 1968 |
| Brother Lawrence | French Christian monk | 1614–1691 |
| D.H. Lawrence | English novelist, poet, playw… | 1885–1930 |
| Jennifer Lawrence | American actress | 1990 |
| Jerome Lawrence | American playwright | 1915–2004 |
| Martin Lawrence | American actor and director | 1965 |
| Mr. Lawrence | American voice actor, comedia… | 1969 |
| Paul R. Lawrence | American business theorist | 1922–2011 |
| T. E. Lawrence | British archaeologist, milita… | 1888–1935 |
| Robin D. Laws | Canadian writer and game desi… | 1964 |
| Henry Lawson | Australian writer and poet | 1867–1922 |
| John Howard Lawson | American politician | 1894–1977 |
| Nigel Lawson | British Conservative politici… | 1932 |
| Nigella Lawson | British food writer, journali… | 1960 |
| V. V. S. Laxman | former Indian cricketer | 1974 |
| Halldór Laxness | Icelandic author | 1902–1998 |
| Layamon | English poet | 1200 |
| Austen Henry Layard | British politician (1817–1894) | 1817–1894 |
| Richard Laymon | American writer | 1947–2001 |
| Irving Layton | Romanian-born Canadian poet | 1912–2006 |
| Jack Layton | Leader of the New Democratic … | 1950–2011 |
| Mike Lazaridis | Canadian businessman | 1961 |
| Paul Lazarsfeld | American sociologist | 1901–1976 |
| Emma Lazarus | American poet | 1849–1887 |
| Jose Romeo Lazo | Filipino Roman Catholic archb… | 1949 |
| Giuseppe Lazzarotto | Roman Catholic archbishop | 1942 |
| An-My Lê | American photographer | 1960 |
| Hà Lê | | |
| Bernard Leach | British studio potter and art… | 1887–1979 |
| Edmund Leach | British anthropologist | 1910–1989 |
| William Elford Leach | English zoologist and marine … | 1790–1836 |
| Cloris Leachman | American actress | 1926 |
| Stephen Leacock | writer and economist | 1869–1944 |
| Charles Leadbeater | British writer and political … | 1959 |
| Charles Webster Leadbeater | English theosophist | 1854–1934 |
| John Lewis (civil rights leader) | American politician and civil… | 1940 |
| Little Raven (Arapaho leader) | Southern Arapaho chief | 1810–1889 |
| Michael Collins (Irish leader) | Irish revolutionary leader | 1890–1922 |
| James Daly (Irish Land League) | Irish nationalist activist wi… | 1838–1911 |
| William D. Leahy | United States admiral, ambass… | 1875–1959 |
| Richard Leakey | Kenyan paleoanthropologist, c… | 1944 |
| Rayssa Leal | Youngest Brazilian skateboard… | 2008 |
| Adrian Leaper | British conductor | 1953 |
| Amanda Lear | singer, lyricist, composer, p… | 1939 |
| Edward Lear | British artist, illustrator, … | 1812–1888 |
| Jonathan Lear | American philosopher | 1948 |
| Tobsha Learner | British writer | 1959 |
| Denis Leary | American actor and comedian | 1957 |
| Timothy Leary | American psychologist | 1920–1996 |
| F. R. Leavis | British literary critic | 1895–1978 |
| Henrietta Swan Leavitt | astronomer | 1868–1921 |
| Julian LeBlanc | Canadian actor | 1989 |
| Romeo LeBlanc | Canadian politician | 1927–2009 |
| Michael Leboeuf | American business writer | 1942 |
| Fran Lebowitz | author and public speaker fro… | 1950 |
| Stanisław Jerzy Lec | Polish writer | 1909–1966 |
| Mark Leckey | British artist | 1964 |
| Ann Leckie | American science-fiction auth… | 1966 |
| William Edward Hartpole Lecky | British politician | 1838–1903 |
| Louis Lecoin | French militant anarcho-pacif… | 1888–1971 |
| Le Corbusier | architect, designer, urbanist… | 1887–1965 |
