Juan Pío de Tristán y Moscoso (in full,
Juan Pío de Tristán y Moscoso) (July 11, 1773,
Arequipa Peru – August 24, 1860,
Lima) was a
Peruvian general and politician. He was nominally the last Spanish
viceroy of Peru, serving in that capacity from December 1824 to January 23, 1826, but not exercising power.