Conaing mac Flainn was a King of Brega from the Uí Chonaing sept of Cnogba (Knowth) of the Síl nÁedo Sláine branch of the southern Ui Neill. He was the son of Flann mac Congalaig, a previous king. He ruled from 839 to 849.
- Position held
- Kings of Brega
- Died
- 849
