| Kihnu Parish | |
| Native Name: | Kihnu vald |
| Settlement Type: | Municipality of Estonia |
| Flag Size: | 85px |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Pärnu County |
| Seat Type: | Administrative centre |
| Seat: | Sääre |
| Area Total Km2: | 16.88 |
| Population Total: | 687 |
| Population As Of: | 2019 |
| Population Density Km2: | auto |
| Website: | kihnu.ee |
| Iso Code: | EE-303 |
Kihnu Parish (et|Kihnu vald) is a rural municipality of Estonia, in Pärnu County. The parish covers the 16.88 km² area of Kihnu island, making it one of the smallest parishes in Estonia. As of 2010, Kihnu Parish had an estimated population of 489.[1] In 2003, UNESCO named Kihnu Island's culture as a Masterpiece of the Oral and Intangible History of Humanity, placing the island on the organization's Intangible Cultural Heritage list.[2]
There are 4 villages in Kihnu Parish: Lemsi, Linaküla, Rootsiküla and Sääre.