| Patriarch Of: | Ecumenical Patriarch of Constantinople |
| Enthroned: | 925 |
| Ended: | 928 |
| Religion: | Chalcedonian Christianity |
Stephen II of Amasea (Greek, Modern (1453-);: Στέφανος Stefanos; died 19 July 928) was the Ecumenical Patriarch of Constantinople from 29 June 925 to 18 July 928.
He appears to have been appointed to the post by Romanos I Lekapenos after the death of Nicholas I as a stop-gap until Romanos's own son, Theophylact, was old enough to assume the post.[1] Steven Runciman calls him a "deliberate nonentity".[2] He is a saint, commemorated on July 18.[3]