Pádraig Mac Lochlainn (Irish pronunciation: [ˈpˠaːd̪ˠɾˠəɟ mˠək ˈl̪ˠɔxl̪ˠən̠ʲ]; born 12 June 1973) is an Irish Sinn Féin politician who has been a Teachta Dála (TD) for the Donegal constituency since the 2020 general election, and previously from 2011 to 2016 for the Donegal North-East constituency. He previously served as a Senator for the Industrial and Commercial Panel from 2016 to 2020.