Helladius may refer to:
- Alexander Helladius (1686–?), Greek scholar and humanist
- Helladius (4th century hieromartyr)
- Helladius of Kiev, Ukrainian monk and saint
- Helladius of Auxerre (died 387), Christian bishop and saint
- Helladius of Caesarea, Christian bishop, named by an edict of Theodosius I (30 July 381) to an episcopal see
- Helladius (grammarian), grammarian, professor, and a priest of Zeus
- Helladius of Ptolemais, Christian bishop, present at the First Council of Ephesus (431)
- Helladius of Tarsus, Christian bishop, condemned at the First Council of Ephesus (431)
- Helladius of Toledo (died 633), Christian bishop and saint
- Helladius and Theophilus, two Christian martyrs in Libya, feast day 8 January
- Helladius, Crescentius, Paul and Dioscorides, Christian martyrs, feast day 28 May
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: