The Municipality of Arran–Elderslie is a township in Bruce County in Western Ontario, Canada.

The township is located at the headwaters of the Sauble River, and the Saugeen River forms the northwestern boundary.

The township comprises the communities of Allenford, Arkwright, Arranvale, Arran Lake, Burgoyne, Chesley, Dobbinton, Dreamland, Dunblane, Ellengowan, Elsinore, Gillies Hill, Invermay, Kelly's Corners, Lockerby, Mount Hope, Paisley, Salem, Salisbury, Tara, Vesta and Williscroft.

In the 2021 Census of Population conducted by Statistics Canada, Arran–Elderslie had a population of 6,913 living in 2,782 of its 2,998 total private dwellings, a change of 1.6% from its 2016 population of 6,803.

This Southwestern Ontario geographical article is a stub.