Diouf, (French spelling in Senegal) or "Joof" (English spelling in The Gambia) is a Serer surname carried by several personalities :
People
Abdou Diouf (born 1935), second president of Senegal, former Secretary-General of La Francophonie
El Hadji Diouf (born 1981), Senegalese footballer
Élage Diouf, Senegalese singer, songwriter and percussionist living in Quebec
Ibra Diouf, member of the Pan-African Parliament
Jacques Diouf, Senegalese politician (Director-General Food and Agriculture Organization of the United Nations FAO)
Mamadou Diouf (historian), Senegalese historian, professor at Columbia University
Mame Biram Diouf (born 1987), Senegalese footballer who plays for Stoke City.
Mame Tacko Diouf (born 1976), Senegalese hurdler
Mouss Diouf (born 1964), French actor
Ngalandou Diouf, Senegalese politician (1875-1941), first African elected official since the beginning of colonization
Pape Diouf, president of Olympiques de Marseille born in 1951
Pape Paté Diouf (born 1986), Senegalese footballer
Sylviane Diouf, historian and writer
Valentina Diouf, Italian women's volleyball player of Senegalese descendant.