Tudor and Cashel is a township in the Canadian province of Ontario, located in Hastings County.
The township consists of two non-contiguous portions, separated by Limerick township and the northernmost portion of Tweed.The municipality is mostly rural.
Tudor Township was created circa 1865. Cashel Township was created circa 1869. Tudor and Cashel Townships were administered as one in 1897.
Limerick Township and Wollaston Township petitioned unsuccessfully for separation from Tudor Township in 1868. Wollaston Township was eventually formed circa 1880. Limerick Township was eventually formed in 1887 between today's Tudor and Cashel Townships. Geologically Limerick Township and Tudor Township are very similar, with valuable mineral resources.
After the separation of old Limerick Township, the townships of Tudor and Cashel were geographically separated since Limerick abutted along a corner of old Grimsthorpe Township (which was later amalgamated into the Municipality of Tweed).
In the 2021 Census of Population conducted by Statistics Canada, Tudor and Cashel 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.
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