| Honorific Prefix: | Saint |
| Glycerius of Antioch | |
| Titles: | Martyr |
| Death Date: | c.300 AD |
| Death Place: | Antioch |
| Feast Day: | 14 January |
| Venerated In: | Roman Catholic Church |
| Canonized Date: | Pre-congregation |
Glycerius (Italian: Glicerio) was a deacon who was martyred in Antioch. He is honoured as a Saint in the Catholic Church.[1] Previously, he was listed as 'Clerus' on 7 January in the Old Roman Martyrology.
Almost nothing is known about the life and martyrdom of Glycerius. He was a deacon and martyr of Antioch. He was tortured seven times, imprisoned, and finally martyred by beheading in Antioch, Syria.