Waddon Hill is a hill and the site of an old Roman fort near Beaminster, in the English county of Dorset. The name Waddon is from the Old English meaning wheat hill. The Wessex Ridgeway passes to the north of the hill summit and Roman fort. The B3162 road passes close to the western end of the hill. Lewesdon Hill is about 0.6 miles (1 km) to the west. There is no public right of way on the summit of Waddon Hill.