Prince Gaetano of Bourbon-Parma (11 June 1905 – 9 March 1958) was the youngest son of Robert I, the last reigning Duke of Parma and of his second wife Maria Antonia of Portugal.

He was sent to study at Stella Matutina, a Catholic school for boys run by Jesuits priest in Feldkirch, near the Swiss border.

He finished his education in France and Luxembourg, where his brother Prince Felix of Bourbon-Parma was the husband of the reigning Grand duchess.

He fled Europe in 1941 for the United States, where he was drafted into the United States Army two years later, During World War II, he participated on the side of the Allies, along with his brothers Javier and Felix, the last Grand Duke of Luxembourg by marriage to Charlotte of Luxembourg.

Later he taught at Camp Ritchie, in which a Jewish-German to conduct special operations in Germany formed young, took part in the landing of Normandy and fought the campaign for France.