Douglas James Proby DL, JP, known as Douglas James Hamilton until 1904, was a British politician and soldier.
- Occupation
- politician, military officer
- Position held
- member of the 29th Parliament of the United Kingdom, Sheriff of Cambridgeshire and Huntingdonshire
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- September 23, 1856
- Died
- November 18, 1931
