J
- Andreas Jaszlinszky, 18th-century Hungarian physics professor and textbook author
- Saint Francis de Geronimo, Italian priest and missionary
- Franz Jetzinger, theology professor, Austrian political figure, and principal biographer of Adolf Hitler's early years
- Pierre Johanns, Luxemburger priest and missionary in India
- Saint Isaac Jogues, 17th-century French martyr and missionary to North America
- Miguel Agustín Pro Juárez, Mexican priest, executed during the persecution of the Catholic Church under the presidency of Plutarco Elías Calles
Read more about this topic: List Of Jesuits