John Todhunter (30 December 1839 – 25 October 1916) was an Irish poet and playwright who wrote seven volumes of poetry, and several plays.
Todhunter was born in Dublin, the eldest son of Thomas Harvey Todhunter, a Quaker merchant of English origin. He was educated at Quaker schools, including Bootham School, York and Mountmellick in Ireland. He started work at his father’s offices in Dublin and London before continuing on to attend Trinity College, where he studied medicine. While at Trinity, Todhunter won the Vice-Chancellor’s prize for English Verse 1864, 1865 and 1866, and the Gold Medal of the Philosophical Society 1866 for an essay. He also clerked for William Stokes while studying. Todhunter received his Bachelor of Medicine in 1867, and his Doctorate of Medicine degree in 1871.