Cynog ap Brychan
| Saint Cynog or Canog of Wales | |
|---|---|
| Born | c. 434 AD Wales | 
| Died | 5th century AD Wales | 
| Cause of death | martyrdom | 
| Venerated in | Catholic Church Eastern Orthodox church | 
| Feast | 7 October | 
| Attributes | A young man with gingery hair, a Celtic tonsure and a torc holding a palm | 
| Patronage | Kilmacanogue, County Wicklow | 
52°01′31″N 3°28′50″W / 52.025327°N 3.480438°W
Cynog ap Brychan (Welsh: Cynog ap Brychan; born c. 434), also known as Saint Cynog or Canog (Old Welsh: Kennauc), was an early Welsh saint and martyr. His shrine is at Merthyr Cynog in Wales and his feast day is observed on 7 or 9 October. In Ireland he is known as St. Mocheanog