Dieng may refer to:

Places Dieng Plateau, a marshy plateau situated near Wonosobo, Indonesia Dieng Volcanic Complex, a complex of volcanoes in the Central Java, Indonesia

People Aïyb Dieng, Senegalese drummer Adama Dieng (born 1950), UN Secretary-General's Special Adviser for the Prevention of Genocide Adji Bousso Dieng, Senegalese computer scientist and statistician Gorgui Dieng (born 1990), Senegalese basketball player Mame Younousse Dieng (1939–2016), Senegalese writer Ndiaga Dieng (born 1999), Italian Paralympic athlete Ndiouga Dieng, Senegalese singer, Orchestra Baobab Ousmane Dieng (born 2003), French basketball player Ousmane Tanor Dieng (born 1948), first secretary of the Socialist Party of Senegal Oumar Dieng (born 1972), French footballer Rose Dieng-Kuntz (1956–2008), Senegalese French computer scientist Seny Dieng (born 1994), Senegalese footballer