Cosmas I may refer to:
- Pope Cosmas I of Alexandria, ruled in 729–730
- Patriarch Cosmas I of Alexandria, Greek Patriarch of Alexandria in 727–768
- Cosmas I of Constantinople, Ecumenical Patriarch in 1075–1081
This disambiguation page lists articles about people with the same name.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.