Cybi
| Saint Cybi / Saint Cuby | |
|---|---|
| Abbot of Caer-Gybi | |
| Born | 483 Dumnonia (modern day Cornwall) | 
| Died | 8 November 555 | 
| Venerated in | Roman Catholic Church Eastern Orthodoxy Anglican Communion | 
| Canonized | Pre-Congregation | 
| Feast | 8 November 13 August in Cornwall | 
| Patronage | Cuby, Cornwall Landulph, Cornwall Llangibby, Monmouthshire, Wales Llangybi, Cardigan, Wales Tregony, Cornwall Kenwyn, Cornwall | 
Saint Cybi (Welsh), or Cuby (Cornish), was a 6th-century Cornish bishop, saint, and, briefly, king, who worked largely in Cornwall and North Wales: his biography is recorded in two slightly variant medieval 'lives'.