Amadu is a given name. Notable people with the name include:
Amadu Jalloh, politician in Sierra Leone
Amadu Wurie (1898–1977), early Sierra Leonean educationist and politician
John Amadu Bangura (1920–1970), the acting Governor-General of Sierra Leone from 18 April to 22 April 1968
Mamood Amadu (born 1972), football player from Ghana
Seku Amadu (1773–1845), the founder of the Fula Massina Empire in what is now the Mopti Region of Mali
Amadu II of Masina (1845–1853), ruler of the nineteenth-century Massina Empire in what is now Mali
Amadu III of Masina (1830–1862), the last ruler of the Fula Massina Empire in what is now the Mopti Region of Mali
Tejan Amadu Mansaray, Sierra Leonean politician
Yulisa Pat Amadu Maddy (born 1936), Sierra Leonean actor, dancer, director and playwright
