Namesakes
French Presidents and Prime Ministers:
1 president
(president) Marie François Sadi Carnot 1887-1894 
Notable Scientists and Inventors:
1 physicist
Nicolas Léonard Sadi Carnot 1796-1832
Notable Writers:
1 author
Şadi Üçüncü 1948-2004
Turkish Presidents and Prime Ministers:
2 prime ministers
(prime minister) Ferit Melen (a.k.a. Sadi) 1972-1973
(prime minister) Sadi Irmak 1974-1975