Diffun

Diffun
Municipality
Municipality of Diffun
Diffun Municipal Hall
Seal
Map of Quirino with Diffun highlighted
Diffun Location within the Philippines
Coordinates: 16°36′N 121°28′E / 16.6°N 121.47°E / 16.6; 121.47Coordinates: 16°36′N 121°28′E / 16.6°N 121.47°E / 16.6; 121.47
Country	Philippines
Region	Cagayan Valley (Region II)
Province	Quirino
District	Lone District
Barangays	33 (see Barangays)
Government
• Type	Sangguniang Bayan
• Mayor	Marlo S. Guillermo
• Electorate	27,546 voters (2016)
Area
• Total	320.10 km2 (123.59 sq mi)
Population (2015 census)
• Total	52,569
• Density	160/km2 (430/sq mi)
Time zone	PST (UTC+8)
ZIP code	3401
PSGC	025703000
IDD : area code	+63 (0)78
Climate type	tropical rainforest climate
Income class	2nd municipal income class
Website	www.diffun-quirino.gov.ph

Diffun, officially the Municipality of Diffun, is a 2nd class municipality in the province of Quirino, Philippines. According to the 2015 census, it has a population of 52,569 people.

Commercial establishments proliferated along the provincial road due to its proximity to Santiago City as the main commercial hub of the region.

Diffun is politically subdivided into 33 barangays.