Cosmas I of Constantinople

Saint

Cosmas I of Constantinople
Ecumenical Patriarch of Constantinople
ChurchChurch of Constantinople
In office2 August 1075 –
8 May 1081
PredecessorJohn VIII of Constantinople
SuccessorEustratius II of Constantinople
Personal details
Born
Diedc. 1082
DenominationEastern Orthodoxy

Cosmas I of Constantinople (Greek: Κοσμᾶς; died c. 1082) was Ecumenical Patriarch of Constantinople from 2 August 1075 to 8 May 1081.