'''Flainn''' is a surname. Notable people with the surname include: *Aenghus Ua Flainn *Ailill Corrach mac Flainn (died 741), king of the Uí Failge, a Laigin people of County Offaly *Cináed mac Flainn (died 770), king of the Uí Failge, a Laigin people of County Offaly *Conaing mac Flainn (died 849), King of Brega from the Uí Chonaing sept of Cnogba (Knowth) of the Síl nÁedo Sláine branch of the southern Ui Neill *Cummascach mac Flainn (died 757), king of the Uí Failge, a Laigin people of County Offaly *Donnchad Donn mac Flainn *Fithceallach mac Flainn *Flaithnia mac Flainn (died 755), king of the Uí Failge, a Laigin people of County Offaly *Flann Mac Flainn *Mugrón mac Flainn (died 782), king of the Uí Failge, a Laigin people of County Offaly *Nicol Mac Flainn *Ragnall Ua Flainn Chua *Tóim Snáma mac Flainn (died 770), King of Osraige in modern County Kilkenny *Ólchobar mac Flainn (died 796), supposed King of Munster from the Uí Fidgenti of County Limerick
==See also== *Emily Flain *Flain, a character from Mixels
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