Francois Jacob wani masanin ilmin halitta dan kasar Faransa ne wanda ya samu lambar yabo ta Nobel a fannin Physiology ko Medicine a shekarar 1965, tare da Jacques Monod da Andre Lwoff, saboda aikinsu kan sarrafa kwayoyin halittar enzyme da hada kwayoyin cuta. Sunan "Francois Jacob" yawanci yana nufin mutum da abubuwan da ya cim ma, maimakon samun ma'anar ƙamus a ma'anar gargajiya.
