Chapple is a township municipality in Rainy River District in Northwestern Ontario, Canada.
It was named after Thomas William Chapple, a former Ontario MPP from 1894 to 1898, who served as judge for the Rainy River District from 1898 to 1926. Before politics Chapple was a lawyer.
Communities located in the township include:
The township is served by Ontario Highway 71, a branch of the Trans-Canada Highway, and by Highway 600.
Barwick has a humid continental climate (Köppen Dfb).
In the 2021 Census of Population conducted by Statistics Canada, Chapple had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021.
Township Council consists of a mayor and four councillors.