Admiral Sir Hugh Francis Paget Sinclair,, known as Quex Sinclair, was a British intelligence officer. He was Director of British Naval Intelligence between 1919 and 1921, and he subsequently helped to set up the Secret Intelligence Service.
- Occupation
- intelligence officer
- Position held
- Chief of the Secret Intelligence Service
- Born
- August 18, 1873
- Died
- November 4, 1939