Sir William Henry Bradshaw Mack was a British diplomat. He was Ambassador to Austria from 1945 to 1948, Ambassador to Iraq from 1948 to 1951, and Ambassador to Argentina from 1951 to 1955.
- Occupation
- diplomat
- Position held
- ambassador of the United Kingdom to Argentina, ambassador of the United Kingdom to Iraq, ambassador of the United Kingdom to Austria
- Born
- August 21, 1894
- Died
- March 9, 1974