Kandji is a surname of African origin. Notable people with the surname include:
Dada Agonlinhossou Yèto Kandji, the 5th king of the Kingdom of Agonlin Itah Kandji-Murangi, Namibian politician Macoumba Kandji (born 1985), Senegalese professional footballer Sangoné Kandji (born 1992), Senegalese triple jumper and forner long jumper
See also Kandji (company), an American software company