William Howard South (died September 1777) was a political figure in Nova Scotia.
He represented Halifax County in the Legislative Assembly of Nova Scotia from 1773 to 1777.
He was elected to the assembly in a 1773 by-election held after John Newton's seat was declared vacant for non-attendance.
South was named provost marshal for Nova Scotia in 1777 during the suspension of John Fenton.
This article about a Member of the Nova Scotia House of Assembly is a stub.