Flaithbertach
Flaithbertach is an Irish language male name meaning 'bright ruler'. It is also the origins of the Irish surname Flaithbheartaigh, Anglicised as Laverty and Lafferty in Ulster, and Flaverty and Flaherty in Connacht. It might refer to:
- Flaithbertach mac Loingsig, High King of Ireland
- Flaithbertach mac Inmainén, King of Munster and abbot of Scattery Island
- Flaithbertach Ua Néill, King of Ailech
- Flaithbertach Mac Cathmhaoil, arch-chief of Cenel-Feradhaigh, crown of championship and generosity of the Gaidhil and arch-chief, moreover, of Clann-Conghaile and Ui-Cennfhoda in Tir-Manach.
- Muireadhach ua Flaithbheartach