There have been nine popes of the Roman Catholic Church named Stephen:
Pope Stephen I (saint; 254–257)
Pope-elect Stephen (752), elected pope but died before his consecration; called Stephen II in sources prior to the 1960s
Pope Stephen II (III) (752–757)
Pope Stephen III (IV) (768–772)
Pope Stephen IV (V) (816–817)
Pope Stephen V (VI) (885–891)
Pope Stephen VI (VII) (896–897)
Pope Stephen VII (VIII) (929–931)
Pope Stephen VIII (IX) (939–942)
Pope Stephen IX (X) (1057–1058)