Arthabaska Regional County Municipality (French pronunciation: [aʁtabaska]) is a regional county municipality located in the Centre-du-Québec region of Quebec.

Its seat is Victoriaville.

[2] There are 22 subdivisions within the RCM:[2]

Mother tongue from 2016 Canadian Census[3] Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:[5]