John IX may refer to:
- Pope John IX (died 900)
- John IX bar Shushan (died 1073), Syriac Orthodox Patriarch of Antioch
- John IX of Constantinople, Patriarch of Constantinople, 1111–1134
- John IX, Count of Oldenburg, 1272–c. 1301
- John IX of Salm-Kyrburg-Mörchingen, 1575–1623
Famous quotes containing the word john:
“Mothers have as powerful an influence over the welfare of future generations, as all other causes combined.”
—John Abbott. The Mother at Home; or the Principles of Maternal Duty, John Abbott, Crocker and Brewster (1833)