Saari (literally Island) is a former municipality of Finland.
It was located in the province of Southern Finland and is part of the South Karelia region. The municipality had a population of 1,411 (2003) and covered an area of 183.08 km² of which 15.70 km² is water. The population density was 8.4 inhabitants per km².
The municipality was unilingually Finnish.
Saari was annexed to Parikkala and Uukuniemi municipalities on 1 January 2005. The new municipality was named Parikkala.
Coordinates: 61°41′45″N 29°41′00″E / 61.69583°N 29.68333°E