Don Pedro de Alberni, sometimes known as Pere d'Alberní i Teixidor in Catalan  (Tortosa, January 30, 1747Monterrey, New Spain, March 11, 1802) was a Spanish soldier who served the Spanish Crown for almost all his life. He spent most of his military career in colonial Mexico. He is notable for his role in the exploration of the Pacific Northwest in the 1790s, and his later term as ninth Spanish governor of Alta California in 1800.