Suomusjärvi

**Suomusjärven kunta**
	Former municipality in Finland
Province	Western Finland
Region	Finland Proper
Sub-region	Salo
City manager	Vesa Ketola
Official languages	Finnish
Area; - total; - land	ranked 349th; 176.53 km²; 160.15 km²
Population; - total (2003); - change; - density	ranked 397th; 1,311; - 1.0 %; 8.2/km²
Urbanisation	42.8 %
Unemployment rate	10.8 %
	http://www.suomusjarvi.fi/

Suomusjärvi (Finnish pronunciation: [ˈsuomusˌjærʋi]) is a former municipality of Finland. It was consolidated with Salo on January 1, 2009.

It is located in the province of Western Finland and is part of the Finland Proper region. The municipality had a population of 1,321 (2004-12-31) and covered an area of 176.53 km² of which 16.38 km² is water. The population density was 8.25 inhabitants per km².

The municipality was unilingually Finnish.