Saint Euphemia (Greek: Ευφημία), known as the All-praised in the Orthodox Church, is a Christian saint, who was martyred for her faith in 303 AD. According to Christian tradition, this occurred at Chalcedon. According to tradition, Euphemia was arrested for refusing to offer sacrifices to Ares. After suffering various tortures, she died in the arena at Chalcedon from wounds sustained from a bear. Her tomb became a site of pilgrimages. She is commemorated on September 16.