Saint Theodosia of Constantinople (Greek: Ἁγία Θεοδοσία ἡ Κωνσταντινουπολίτισσα, Hagia Theodosia hē Kōnstantinoupolitissa) is an Eastern Orthodox and Roman Catholic Saint and Martyr who lived in the seventh and eight centuries. Hagia Theodosia became one among the most venerated saints in Constantinople, being invoked particularly by the infirm. The fame of the saint was increased by the recovery of a deaf-mute in 1306.