Lieutenant-Colonel Sir John Norton-Griffiths, 1st Baronet, was an engineer, British Army officer during the Second Boer War and the First World War, and a Member of Parliament. A colourful figure in his day, known as "Empire Jack" or "Hellfire Jack", he was also the grandfather of Jeremy Thorpe, a leading British politician.
- Occupation
- engineer, military personnel, politician
- Position held
- member of the 33rd Parliament of the United Kingdom, member of the 32nd Parliament of the United Kingdom, member of the 31st Parliament of the United Kingdom, member of the 30th Parliament of the United Kingdom
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
