Inner Niger Delta
Amadu III of Masina (, ), also known as Amadu Amadu (1830 - 16 May 1862) was the third and last ruler of the theocratic Massina Empire (Diina of Hamdullahi) in the Inner Niger Delta, now the Mopti Region of Mali. He was elected as successor to his father, Amadu II of Masina, in 1853. Throughout most of his rule he was involved in conflict with the jihadist al-Hajj 'Umar Tall, who defeated and executed him on 16 May 1862.