Blackmore Vale is an electoral ward in Dorset, England. Since the 2019 Dorset Council election, it has elected one councillor to Dorset Council.
The Blackmore Vale ward is in rural north Dorset, and contains the civil parishes of Fifehead Neville, Hazelbury Bryan, Ibberton, Lydlinch, Mappowder, Okeford Fitzpaine, Pulham, Shillingstone, Stoke Wake and Woolland.
It is named after the Blackmore Vale, but contains only a part of the vale, other parts of which are covered by the Beacon, Gillingham, Hill Forts and Upper Tarrants, Stalbridge and Marnhull and Sturminster Newton wards.