Captain Prince Antônio Gastão of Orléans-Braganza MC was a Brazilian-born prince of the House of Orléans-Braganza and a military officer who served with distinction in the forces of the British Empire during World War I.
- Occupation
- aircraft pilot, military officer
- Position held
- aide-de-camp
- Citizenship
- Empire of Brazil, Brazil, Kingdom of Portugal, Portugal
- Born
- August 9, 1881
- Died
- November 29, 1918