Joliette () is a regional county municipality in the Lanaudière region of Quebec, Canada. Its seat is Joliette.
The municipality has a land area of 417.41 km<sup>2</sup>. At the 2021 census it had a population of 71,124.
There are 10 subdivisions within the RCM:
Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:
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