Ahmadu

Ahmadu can refer to:
Several leaders of the West African Massina Empire:

Seku Amadu, Islamic sheikh and founder of the Massina Empire
Amadu II of Masina, his son
Amadu III of Masina, his grandson

Other persons:

Ahmadu Tall or Ahmadu Seku, the last independent Toucouleur ruler before the arrival of French colonial rule
Ahmadu Bello, the first Premier of Northern Nigeria