Ähtäri (Swedish: Etseri) is a town and municipality of Finland.
It is located in the Southern Ostrobothnia region. The town has a population of 6,394 (30 September 2012) and covers an area of 909.96 square kilometres (351.34 sq mi) of which 105 km2 (41 sq mi) is water. The population density is 7.94 inhabitants per square kilometre (20.6 /sq mi).
The municipality is unilingual Finnish.
Ähtäri is known for tourism. There is a zoo and hotel Mesikämmen designed by Timo and Tuomo Suomalainen which is partly built within bedrock. The biggest lake in the area is Ähtärinjärvi. There is also a relatively old and small board mill called Vääräkosken Pahvi in Ähtäri.
The largest private sector employers are Inhan Tehtaat, Silver-Veneet, Tankki, and Muovilami.
Read more about Ähtäri: People