New Haven-Riverdale is a former rural municipality in the Canadian province of Prince Edward Island within Queens County.
The Municipality of New Haven-Riverdale was originally incorporated in 1974. It incorporated as a rural municipality on January 1, 2018. On September 1, 2020, the Rural Municipality of New Haven-Riverdale amalgamated with the rural municipalities of Afton, Bonshaw, Meadowbank, and West River. The amalgamated municipality was named the Rural Municipality of West River.
Localities within Bonshaw include Churchill, New Haven, Riverdale, and Strathgartney.