Kajaani Airport is an airport in Paltaniemi, Kajaani, Finland, approximately 7 kilometres (4 mi) northwest of Kajaani city centre.

Paltaniemi is a village on the shores of Lake Oulujärvi, about 10 kilometres (6.2 mi) north of the Kajaani's town center in Kainuu, Finland. It has a population of 291 inhabitants. The Kajaani Airport is located in the eastern side of the village.