Banna, Ilocos Norte

', officially the ' (; ), is a in the province of , . According to the , it has a population of people.
The word Banna was taken from the native chieftain named Bana. It was formerly known as Espiritu. The name changed under Sangguniang Panlalawigan (SP) Resolution No. 120-95 on March 20, 1995; ratified on March 10, 1996.
Barangays.
Banna is politically subdivided into 20 barangays.
Demographics.
In the , the population of Banna, Ilocos Norte, was people, with a density of .