Kyyjärvi is a municipality of Finland. It is located in the Central Finland region, about 120 kilometres (75 mi) northwest of Jyväskylä. The municipality has a population of 1,174 and covers an area of 469.61 square kilometres (181.32 sq mi) of which 21.39 km2 (8.26 sq mi) is water. The population density is 2.62 inhabitants per square kilometre (6.8/sq mi). The municipality is unilingually Finnish.

Central Finland is a region in Finland. It borders the regions of Päijät-Häme, Pirkanmaa, South Ostrobothnia, Central Ostrobothnia, North Ostrobothnia, North Savo, and South Savo. The city of Jyväskylä is the regional centre and by far the largest city in the area. The Central Finland lies slightly south of the geographical centre of Finland. The landscape is hilly and a large part of the province belongs to the Finnish Lakeland.