Tuusniemi is a municipality in Finland. More than 2,800 people lived there in August 2013. The municipalities next to it are Heinävesi, Juankoski, Kaavi, Kuopio, Leppävirta and Outokumpu.
Between 1904 and 1975 there was an asbestos mine in Paakkila village. It was closed because workers died earlier than others.