Louis-Christophe Zaleski-Zamenhof (born Ludwik Krzysztof Zamenhof, 23 January 1925 – 9 October 2019) was a Polish-French civil and marine engineer of Jewish descent. He worked in the design of structural steel and concrete construction. Zaleski-Zamenhof wrote a foreword to "L'homme qui a défié Babel" ("The man who defied Babel", 2003), a French-language biography, by René Centassi and Henri Masson, of the originator of Esperanto.