Thomas Bond Sprague FRSE FFA FIA LLD was a British actuary, barrister and mathematician who was the only person to have been President of both the Institute of Actuaries (1882–1886) in London and the Faculty of Actuaries (1894–1896) in Edinburgh, prior to their merger in 2010.
- Occupation
- actuary, mathematician, barrister
- Position held
- President of the Institute of Actuaries, chairperson
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- March 29, 1830
- Died
- November 29, 1920