Infante Augusto, Duke of Coimbra (Portuguese pronunciation: [awˈɡuʃtu]; English: Augustus; 4 November 1847 – 26 September 1889) was a Portuguese infante (prince) of the House of Braganza.

[1] Augusto Maria Miguel Gabriel Rafael Agrícola Francisco de Assis Gonzaga Pedro de Alcântara Loiola of Saxe-Coburg-Gotha and Bragança was born in Lisbon as the fifth son of Queen Maria II of Portugal and her husband and co-ruler, King Fernando II.

[3] He remained heir until 28 September 1863 and the birth of Prince Carlos the son of king Luis.

Augusto had a career in the Portuguese Army and became general of a division.

This biography of a member of the Portuguese royal family is a stub.