Don Alfonso de Orleans-Borbón y Ferrara-Pignatelli, Duke of Galliera (born 2 January 1968), is a Spanish aristocrat and the founder of Racing Engineering, a Spanish racing team.

He was born at Santa Cruz de Tenerife, Spain, as the elder son of Don Alonso de Orleans-Borbón y Parodi-Delfino (elder son of Prince Álvaro, Duke of Galliera, and Carla Parodi-Delfino) and Donna Emilia Ferrara-Pignatelli (daughter of Vincenzo Ferrara-Pignatelli, Prince of Strongoli, and Francesca Pulci-Doria).

[3] He competed at the 1994 and 1995 24 Hours of Le Mans, finishing fourth in the GT2 class in his 1994 debut.

Alfonso is the president of Racing Engineering, which he founded in 1999.

Alfonso married the Belgian Véronique Goeders, daughter of Jean-Marie Goeders and Anne-Marie Grosjean, on 28 March 1994.