José Bonifácio de Andrada e Silva (November 8, 1827 – October 26, 1886) was a French-born Brazilian poet, teacher and senator.

He is known as "the Younger" (Portuguese: O Moço) to distinguish him from his grand-uncle, José Bonifácio de Andrada e Silva, "the Elder" or "the Patriarch", a famous statesman who was one of the most important mentors of Brazilian independence.

After moving to Brazil, more precisely to Rio de Janeiro, he ingressed in his secondary course at what is now the Academia Militar das Agulhas Negras, but had to abandon his studies due to health problems.

Getting involved in abolitionist ideals, because of that he rejected the presidency of the Council of Ministers, offered to him by Emperor Pedro II of Brazil.

When she died, he then married Rafaela de Souza Aguiar Gurgel do Amaral, having with her five children: José Bonifácio, Martim Francisco, Narcisa, Maria Flora and Gabriela.