Sir John Pentland Mahaffy was an Irish classicist and polymathic scholar who served as the 34th Provost of Trinity College Dublin from 1914 to 1919.
- Occupation
- writer, classical philologist, literary scholar, translator
- Citizenship
- Switzerland, United Kingdom of Great Britain and Ireland
- Born
- February 26, 1839
- Died
- April 30, 1919