Sadi and its variant Saadi are used as a masculine given name and a surname. Notable people with the name include:
Given name Sadi Sadi Carnot, multiple people Sadi Celil Cengiz (born 1983), Turkish actor Sadi Dastarac (1888–1911), French football player Sadi Eldem (1910–1995), Turkish diplomat Sadi Gülçelik (1929–1980), Turkish basketball player, civil engineer and entrepreneur Sadi Güven (born 1955), Turkish judge Sadi Irmak (1904–1990), Turkish academic and politician Sadi Jalali (born 1995), Indian-born Canadian professional soccer player Sadi Kalabar (1901–1960), Yugoslav chess player Sadi Koçaş (1919–1998), Turkish military officer and politician Sadi Pol Lallemand (1927–2009), known as Fats Sadi, Belgian jazz musician Sadi Mohammad, Bangladeshi singer and composer Sadi Schwerdt, Brazilian footballer
Saadi Al-Saadi Gaddafi (born 1973), Libyan football player Saadi Al Munla (1890–1975), Lebanese politician Saâdi Radouani (born 1995), Algerian football player Saadi Shirazi (1210–1292), major Persian-language poet and writer Saadi Simawe (1946–2017), Iraqi-American author, teacher, and translator Saadi Toma (born 1955), Iraqi football player Saadi Yacef (1928–2021), Algerian politician Saadi Youssef (1934–2021), Iraqi writer and publisher
Surname Sadi Amir Hamudi Hasan al-Sadi (born 1938), Iraqi chemical engineer and weapons developer Amira Sadi (born 1994), Algerian volleyball player Andréia Sadi (born 1987), Brazilian journalist Dahiru Sadi (born 1963), Nigerian football player Dominic Sadi (born 2003), English football player Hakim Sadi (born 1992), Algerian athlete Joseph Sadi-Lecointe (1891–1944), French aviator Mohamed Sadi (born 1995), Libyan basketball player Nawaf Al-Sadi (born 2000), Saudi Arabian football player René Sadi (born 1948), Cameroonian politician Saïd Sadi (born 1947), Algerian political activist Walid Muhammed Sadi (1939–2019), Jordanian diplomat
Saadi Ahmed Mubarak Al-Saadi, Omani sprinter Dheyaa al-Saadi, Iraqi lawyer Elvira Saadi (born 1952) Soviet gymnast Farhan al-Saadi (1862–1937), Palestinian rebel commander Idriss Saadi (born 1992), Algerian French football player Mohamed Obaid Al-Saadi (born 1994), Omani athlete Noureddine Saâdi (1950–2021), Algerian football manager Osama Saadi (born 1963), Israeli lawyer and politician Ramón Saadi (born 1949), Argentine politician Samer Saadi (died 2005), member of the Al Aqsa Martyrs' Brigades Suhayl Saadi (born 1961), Scottish author and physician Vicente Saadi (1913–1988), Argentine politician Wade E. Saadi, American philatelist
Fictional characters Sadi, a eunuch in The Belgariad and The Malloreon series of novels