This is a list of people associated to Leiden University, including alumni as well as people who have taught or studied at Leiden University.
A Piet Aalberse, Dutch politician Fatihya Abdi, Dutch politician Nasr Hamid Abu Zayd, Egyptian theologian John Quincy Adams, 6th President of the United States Princess Aimée of Orange-Nassau, van Vollenhoven-Söhngen, member of the Dutch royal family Nadine Akkerman, Dutch historian Nebahat Albayrak, Turkish–Dutch politician Johannes Alberti, Dutch theologian Bernhard Siegfried Albinus, German-born Dutch anatomist Alexander, Prince of Orange, heir apparent to the Dutch throne 1879–1884 Evert Alkema, Dutch legal scholar Josette Altmann Borbón, First Lady of Costa Rica 1994–1998 Tinde van Andel, Dutch ethnobotanist Rudy Andeweg, Dutch political scientist Princess Anita of Orange-Nassau, van Vollenhoven-van Eijk, member of the Dutch royal family Hans Ankum, Dutch legal scholar Sophia Antoniadis, Greek Byzantinist and first female professor at Leiden János Apáczai Csere, Hungarian mathematician Jacobus Arminius, Dutch theologian Tobias Asser, Dutch legal scholar and Nobel laureate (Peace 1911) Jimly Asshiddiqie, 1st Chief Justice of the Constitutional Court of Indonesia 2003–2008 Touraj Atabaki, Iranian academic Alexander Boswell, Lord Auchinleck, Scottish judge Adrienne d'Aulnis de Bourouill, Dutch health lawyer
B Pieter Baas, Dutch botanist Lourens Baas Becking, Dutch botanist Jan Bank, Dutch historian Caspar Barlaeus, Flemish polymath and theologian Johann Bartsch, German physician Robbert Baruch, Dutch lobbyist Herman Bavinck, Dutch Calvinist philosopher and theologian Beatrix, Queen of the Netherlands 1980–2013 Charles Ruijs de Beerenbrouck, Netherlands Prime Minister 1918–1925, 1929–1933 Nicolaas Beets, Dutch theologian Johann Peter Berg, German Protestant theologian, historian, and Orientalist Helma van den Berg, Dutch linguist Jan Hendrik van den Berg, Dutch psychiatrist Alexander Johan Berman, Dutch theologian and literary critic Joost Berman, Dutch lawyer, judge and poet Angel Bermudez, Aruban politician Petrus Bertius, Flemish philosopher Gerrit Berveling, Dutch Esperanto author and philologist Manjul Bhargava, Canadian-American mathematician Kune Biezeveld, Dutch theologian Maarten Biesheuvel, Dutch writer Hester Bijl, Dutch mathematician and rector magnificus of Delft University of Technology C. Jouco Bleeker, Dutch scholar of religion Nicolaas Bloembergen, Dutch–American physicist and Nobel laureate (Physics 1981) Thomas Blondeau, Flemish writer Leonard Blussé, Dutch historian Antoine Bodar, Dutch Roman Catholic priest Boediono, 11th Vice President of Indonesia 2009–2014 Herman Boerhaave, Dutch chemist, botanist, Christian humanist, and physician Bart Bok, Dutch-American astronomer Frits Bolkestein, Netherlands Deputy Prime Minister 2005–2006 Gerardus Johannes Petrus Josephus Bolland, Dutch autodidact and philosopher Eduard Bomhoff, Dutch economist and politician Jannie Borst, Dutch cancer immunologist Pieter Philip van Bosse, Dutch liberal politician Ben Bot, Dutch politician Douwe Breimer, Dutch pharmacologist Rolf Bremmer, Dutch academic Alex Brenninkmeijer, Dutch lawyer Laurens Jan Brinkhorst, Dutch politician Ankie Broekers-Knol, Dutch politician Sir Thomas Browne, English polymath and writer Sebald Justinus Brugmans, Dutch botanist and physician Hans de Bruijn, Dutch political scientist Philippe Buc, French-American historian Boudewijn Büch, Dutch writer, poet and television presenter Frans van Buchem, Dutch physician Adriaan de Buck, Dutch Egyptologist Franco Burgersdijk, Dutch logician Pieter Burman the Elder, Dutch classical scholar Ian Buruma, Dutch writer Ditmir Bushati, Albanian politician Kofi Abrefa Busia, Prime Minister of Ghana 1969–1972 John Stuart, 3rd Earl of Bute, British statesman and Prime Minister of Great Britain 1762–1763 Armin van Buuren, Dutch DJ, musician and record producer Paulus Buys, Dutch statesman and Land's Advocate of Holland 1572–1584
C Archibald Cameron of Locheil, Scottish Jacobite physician Jacobus Capitein, African-born Dutch Reformed minister and missionary Hendrik Casimir, Dutch physicist Ludolph van Ceulen, German-Dutch mathematician Bart Chabot, Dutch writer and poet Lisa Cheng, Chinese-American linguist Rudolph Cleveringa, Dutch law dean known for his protest speech against the dismissal of Jewish staff in WW2 Paul Cliteur, Dutch politician, philosopher and writer Carolus Clusius, French botanist Carel Gabriel Cobet, Dutch classical scholar Johannes Cocceius, German-Dutch theologian Jacques Cohen, Dutch embryologist Job Cohen, Dutch politician Prince Constantijn of the Netherlands, member of the Dutch Royal House Pieter Cort van der Linden, Prime Minister of the Netherlands 1913–1918 Herman Coster, Dutch lawyer and State Attorney of the South African Republic 1895–1898 Pieter de la Court, Dutch economist Jodocus Crull, German miscellaneous writer Petrus Cunaeus, Dutch Christian scholar Janus Henricus Donker Curtius, Dutch diplomat and last Opperhoofd of the Dutch trading post in Japan (1852–1855)
D Johan Andreas Dèr Mouw, Dutch poet and philosopher René Descartes, French philosopher and mathematician Nicolaas Diederichs, 3rd President of South Africa 1975–1978 René Diekstra, Dutch psychologist Kanta Dihal, Dutch research scientist and author Edsger W. Dijkstra, Dutch computer scientist Ewine van Dishoeck, Dutch astronomer and chemist Volkert Doeksen, Dutch private equity investor and the co-founder of AlpInvest Partners Ana Dolidze, Georgian lawyer Adriaen van der Donck, Dutch lawyer and landowner Janus Dousa, Dutch statesman Reinhart Dozy, French-Dutch scholar Huib Drion, Dutch Supreme Court judge Otto Duintjer, Dutch philosopher Thomas von der Dunk, Dutch cultural historian Heleen Dupuis, Dutch ethicist and politician J. J. L. Duyvendak, Dutch Sinologist
E Paul Ehrenfest, Austrian theoretical physicist Willem Einthoven, Dutch physiologist and Nobel laureate (Medicine 1924) Albert Einstein, German-born theoretical physicist and Nobel laureate (Physics 1921) Rudi Ekkart, Dutch art historian Arjan El Fassed, Dutch politician and human rights activist Afshin Ellian, Iranian-born Dutch legal scholar and philosopher Henny Eman, Aruban politician Willem Anthony Engelbrecht, Dutch jurist and colonial administrator Simon Episcopius, Dutch theologian Paul Sophus Epstein, Russian-American mathematical physicist Thomas van Erpe, Dutch Orientalist Pieter Nicolaas van Eyck, Dutch poet and critic
F Kathleen Ferrier, Surinam-born Dutch politician Enrico Fermi, Italian-American physicist and Nobel laureate (Physics 1938) Henry Fielding, English writer and judge Horst Fischer, German lawyer Paul Fleming, German physician and poet Prince Frederick of the Netherlands, member of the Dutch Royal House Prince Floris of Orange-Nassau, van Vollenhoven, member of the Dutch royal family Dirk Fock, Dutch politician and diplomat Jan P. Fokkelman, Dutch biblical scholar Justin Fox (born 1964), American financial journalist, commentator, and writer John Lauder, Lord Fountainhall, Scottish jurist Johannes le Francq van Berkhey, Dutch naturalist, poet and painter Prince Frederick of the Netherlands, member of the Dutch Royal House Frederick William, Elector of Brandenburg, ruler of Brandenburg-Prussia 1640–1688
G Jacob Geel, Dutch scholar, critic and librarian Ida Gerhardt, Dutch classicist and poet Richard D. Gill, British-Dutch mathematician Thomas Girdlestone, English physician and writer Michiel Jan de Goeje, Dutch orientalist Jacobus Golius, Dutch orientalist and mathematician Franciscus Gomarus, Dutch theologian Cornelis Jacobus Gorter, Dutch experimental and theoretical physicist Samuel Goudsmit, Dutch-American physicist Andries Cornelis Dirk de Graeff, diplomat, statesman, governor-general of the Dutch East Indies 1926–1931, and a Dutch minister for foreign affairs 1933–1937 Gerrit de Graeff (I.) van Zuid-Polsbroek, politician, Chairman of the Dutch East Indies Company and the Dutch West Indies Company 1736 / 1737–1752 Jacob Dircksz de Graeff, Dutch regent, mayor of Amsterdam 1613–1638 Johann Georg Graevius, German classical scholar and critic Willem 's Gravesande, Dutch mathematician and natural philosopher Christian Greco, Italian Egyptologist Richard T. Griffiths, English-Dutch historian Guillaume Groen van Prinsterer, Dutch politician and historian Jane Grogan, Australian-born, US-based immunologist and cancer researcher Jacobus Gronovius, Dutch classical scholar J. J. M. de Groot, Dutch sinologist and historian Hugo Grotius, Dutch classicist, legal scholar, writer and poet Robert van Gulik, Dutch orientalist, diplomat, and writer, of e.g. the Judge Dee historical mysteries Johannes Gysius, Dutch historian and minister
H Geertruida de Haas-Lorentz, Dutch theoretical physicist Anton de Haen, Dutch physician Gijs van Hall, Dutch banker and resistance fighter Hendrik Jacob Hamaker, Dutch jurist and scholar Sri Sultan Hamengkubuwono IX, 9th Sultan of Yogyakarta 1940–1988, and 2nd Vice-President of Indonesia 1973–1978 Bas Haring, Dutch writer of popular science Maarten 't Hart, Dutch writer David Hartley the Younger, English politician and inventor Mohammad Hatta, Indonesian statesman and 1st Vice President of Indonesia François Haverschmidt, Dutch minister and writer under the pen name of "Piet Paaltjens" Erik Hazelhoff Roelfzema, Dutch writer, resistance fighter, RAF pilot Paul F. van der Heijden, Dutch jurist and labour‑law scholar Daniel Heinsius, scholar of the Dutch Renaissance Pieter Hellendaal, Dutch composer, organist and violinist Tiberius Hemsterhuis, Dutch philologist and critic Jaap van den Herik, Dutch computer scientist Paul Hermann, German-born physician and botanist Felienne Hermans, Dutch computer scientist Ejnar Hertzsprung, Danish chemist and astronomer Gerrit Jan van Heuven Goedhart, Dutch politician, diplomat and journalist, Nobel laureate (Peace 1954) Johannes Hevelius, Polish astronomer and jurist Nina den Heyer, Dutch politician and member of the Executive Council of Bonaire Rosalyn Higgins, Baroness Higgins, British judge and President of the International Court of Justice Ayaan Hirsi Ali, Somali-born Dutch-American writer and activist Nicole Hoevertsz, Aruban synchronized swimmer Jacobus Henricus van 't Hoff, Dutch physical chemist and Nobel laureate (Chemistry 1901) Gijsbert Karel, Count van Hogendorp, Dutch statesman Paul Thiry, Baron d'Holbach, Franco-German philosopher, writer, and prominent figure in the Enlightenment Rick Honings, Dutch literature scholar Jaap de Hoop Scheffer, Dutch politician and 11th Secretary-General of NATO George Howe, Scottish physician active in London; Fellow of the Royal College of Physicians Johannes Hudde, Dutch politician and mathematician, mayor of Amsterdam 1672–1703 Johan Huizinga, Dutch historian and founder of modern cultural history Mariska Hulscher, Dutch TV presenter Christiaan Huygens, Dutch mathematician and physicist Sir Constantijn Huygens, Sr., Dutch diplomat, poet and composer Constantijn Huygens, Jr., Dutch statesman and poet
I Michael Ignatieff, Canadian politician
J Maarten Jansen, Dutch archaeologist and ancient American scholar Marius Jeuken, Dutch theoretical biologist Eva Jinek, Dutch-American journalist and television presenter Willem Jozef Andreas Jonckbloet, Dutch historian Ernst de Jonge, Dutch lawyer, Olympic rower, resistance fighter Stefanie Joosten, Dutch actress and model P. E. de Josselin de Jong, Dutch cultural anthropologist Juliana, Queen of the Netherlands 1948–1980
K Frederik Kaiser, Dutch astronomer Cornelis Kalkman, Dutch botanist Heike Kamerlingh Onnes, Dutch experimental physicist and Nobel laureate (Physics 1913)