Saints Protus and Hyacinth were Christian martyrs during the persecution of Emperor Valerian. Protus' name is sometimes spelled Protatius, Proteus, Prothus, Prote, and Proto. His name was corrupted in England as Saint Pratt. Hyacinth is sometimes called by his Latin name Hyacinthus.

Eugenia of Rome was an early Christian Roman martyr whose feast day is celebrated on December 25 in the Roman Catholic Church, on December 24 in the Eastern Catholic Churches and Eastern Orthodox Church, and on January 23 in the Armenian Apostolic Church. She is included in the Golden Legend.