John Stephen Conmee SJ (25 December 1847 – 1910) was an Irish Jesuit educator. He was born in County Roscommon into a wealthy farming family and was educated at Castleknock College and Clongowes Wood College. He influenced his student James Joyce and became a character in Joyce's novels A Portrait of the Artist as a Young Man and Ulysses. He was a rector of Clongowes Wood College, County Kildare and prefect of studies at Belvedere College.