Kivijärvi (Finnish pronunciation: [ˈkiʋiˌjærʋi]; literally "stone(y) lake") is a municipality of Finland.

Neighbouring municipalities are Kannonkoski, Karstula, Kinnula, Kyyjärvi, Perho and Viitasaari.

The toponym was first mentioned in 1554 as Kijuijerffuj ärmarch, referring to hunting grounds held by Tavastians.

In 1934, parts of Kivijärvi and Viitasaari were separated in order to form the Kannonkoski municipality.

[8] Kannonkoski, Karstula, Kivijärvi and Kyyjärvi planned to merge into the Suomenselkä municipality [fi] from January 1, 2022.