| Fedelmid mac Crimthainn | |
|---|---|
| King of Munster | |
| Reign | 820-846 |
| Predecessor | Tnúthgal mac Donngaile |
| Successor | Ólchobar mac Cináeda |
| Died | 847 |
Fedelmid mac Crimthainn was the King of Munster between 820 and 846. He was numbered as a member of the Céli Dé, an abbot of Cork Abbey and Clonfert Abbey, and possibly a bishop. After his death, he was later considered a saint in some martyrologies.