Municipality in Switzerland
Coat of arms
Location of Onsernone Lua error in Module:Infobox_mapframe at line 118: attempt to index field 'wikibase' (a nil value).
Coordinates: 46°12′N 8°37′E / 46.200°N 8.617°E / 46.200; 8.617Coordinates: 46°12′N 8°37′E / 46.200°N 8.617°E / 46.200; 8.617
Country	Switzerland
Canton	Ticino
District	Locarno
Area
• Total	29.9 km2 (11.5 sq mi)
Elevation	802 m (2,631 ft)
Population  (December 2004)
• Total	290
• Density	9.70/km2 (25.1/sq mi)
Time zone	UTC+01:00 (Central European Time)
• Summer (DST)	UTC+02:00 (Central European Summer Time)
Postal code(s)	6662
Localities	Russo, Crana, Vocaglia, Corbella, Comologno, Cappellino, Gresso, Isorno, Mosogno, Spruga, Vergeletto
Surrounded by	Borgnone, Craveggia (IT-VB), Gresso, Isorno, Maggia, Mosogno, Re (IT-VB), Vergeletto
Website	www.onsernone.swiss SFSO statistics

Onsernone is a municipality of the district of Locarno in the canton of Ticino in Switzerland.

Onsernone was created in 1995 when the municipalities of Comologno, Crana and Russo joined together to become Onsernone. On 10 April 2016, the former municipalities of Vergeletto, Gresso, Mosogno and Isorno merged into Onsernone.

Onsernone valley