Fernando Machado de Sousa (January 11, 1822, Desterro – December 6, 1868, Arroyo Ytororó) was a Brazilian Colonel of the Paraguayan War.

Fernando was born as the son of Manuel Machado de Sousa and Josefa Bernardina Borges and would later marry Angélica Rosa Magalhães Fontoura.

Alagoas and Rio Grande do Sul as a subbortinate of Luís Alves de Lima e Silva, Duke of Caxias.

He would then fight at the battles of Paso de Patria, Tuyutí where he would get wounded, Potreiro Pires, Linha Sauce, Curupayty and the Passage of Humaitá.

The letters he wrote to his wife during the war were published in the Revista do Instituto Histórico e Geográfica de Santa Catarina in 1913 and 1914.