Back Стэфан I (Патрыярх Канстанцінопальскі) Byelorussian Стефан I Константинополски Bulgarian Stjepan I Carigradski BS Esteve I (patriarca de Constantinoble) Catalan Stefanos I. Czech Πατριάρχης Στέφανος Α΄ Greek Stephen I of Constantinople English Esteban I de Constantinopla Spanish Étienne Ier de Constantinople French Stjepan I. Carigradski Croatian
Stephanos I. (griechisch Στέφανος Α΄; * November 867; † 17. oder 18. Mai 893) war von 886 bis 893 Patriarch von Konstantinopel.