Baron Blackford, of Compton Pauncefoot in the County of Somerset, was a title in the Peerage of the United Kingdom. It was created in 1935 for the politician, public servant and magistrate Sir William Mason, 1st Baronet. He had already been created a Baronet, of Compton Pauncefoot in the County Somerset, in the Baronetage of the United Kingdom in 1918. He was succeeded by his son, the second Baron. He was a businessman and Conservative politician. The titles became extinct in 1988 on the early death of his grandson, the fourth Baron.
Barons Blackford (1935)
- William James Peake Mason, 1st Baron Blackford (1862–1947)
- Glyn Keith Murray Mason, 2nd Baron Blackford (1887–1972)
- Keith Alexander Henry Mason, 3rd Baron Blackford (1923–1977)
- William Keith Mason, 4th Baron Blackford (1962–1988)