Kihnu Parish (Estonian: Kihnu vald) is a rural municipality of Estonia, in Pärnu County. It covers the area of Kihnu island. The population of Kihnu is 489 (as of 1 January 2010) and an area of 16.88 km².
There are 4 villages in Kihnu Parish: Lemsi, Linaküla, Rootsiküla and Sääre.
Coordinates: 58°07′48″N 23°59′24″E / 58.1300°N 23.9900°E / 58.1300; 23.9900