Hungduan, officially the Municipality of Hungduan is a municipality in the province of Ifugao, Philippines. According to the 2020 census, it has a population of 8,866 people, making it the least populated municipality in the province.

Through Presidential Proclamation 660, October 1, 2024 was declared a special non-working day for the commemoration of its 107th Founding Anniversary.

The Municipality of Hungduan is bounded on the north-east by the town of Banaue in the east by Hingyon and on the southeast by the town of Kiangan. It borders in the south with the town of Tinoc, Ifugao. On its westside, the town is bordered by the towns of Sabangan and Bauko, Mountain Province.

Mount Napulawan, in Hungduan, is Ifugao's 2nd highest peak with an elevation of 2,642 meters ASL. It was Tomoyuki Yamashita's former headquarters.

Hungduan is situated 49.41 kilometres (30.70 mi) from the provincial capital Lagawe, and 400.07 kilometres (248.59 mi) from the country's capital city of Manila.

Hungduan is politically subdivided into 9 barangays.  Each barangay consists of puroks and some have sitios.

In the 2020 census, the population of Hungduan was 8,866 people, with a density of 34 inhabitants per square kilometre or 88 inhabitants per square mile.

Poverty incidence of Hungduan