John IX
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 of Haugwitz
, 1524–1595
John IX, Count of Oldenburg
, 1272–c. 1301
John IX of Salm-Kyrburg-Mörchingen
, 1575–1623