Diomedes of Tarsus

Saint Diomedes
Fresco of St. Diomedes at Hilandar Monastery, Mt. Athos.
Martyr
BornTarsus
(modern-day Tarsus, Mersin, Turkey)
Diedbetween 298 and 311 AD
Nicaea
(modern-day İznik, Turkey)
Venerated inRoman Catholic Church
Eastern Orthodox Church
Feast16 August

Saint Diomedes of Tarsus (Ancient Greek: Διομήδης ὁ Ταρσεύς, romanizedDiomḗdēs ho Tarseús; also known as Diomede; died between 298 and 311 AD) is venerated as a Greek Christian saint and martyr, being one of the Holy Unmercenaries.