Cognomen Dónal (Dónal 
) , across the world, is an extremely rare family name. Much more prevalently, Dónal is the forename as well as the last name.
Cox, Tuipéar, Hurley, Mcnulty, Carroll, Kennedy, Griffin, Glackin, Loingsigh, Hassett, Farrell, O'Flynn, Ó Briain, Mitchell, Mccarthy, Mcintyre, Sharpson, Sullivan, Campbell, Comedian, O'Connor, O'Keeffe, Gildea, Reilly, Rooney, Browne, Ceng, Rice, Ring, Ryan, Daly, Egan, Moore, Mccoy, Berry, Byrne, O'Connell, Kenny, Keane, Keogh, Lynch, Flynn, Foley, Molloy, Murray, Murphy, Mullan, Cahill, Kelly, and O'Sullivan