Niall Buggy (born 3 October 1948) is an Irish actor who has worked extensively on the stage and screen in Ireland, the UK and the US. Some of his better known roles include the lead in Brian Friel's Uncle Vanya, for which he won an Irish Times Theatre Award, and Brian in Dead Funny for which he won an Olivier Award. In Friel’s Aristocrats he won TimeOut, Clarence Derwent, Drama Desk and Obie awards. More recent plays include Penelope by Enda Walsh, Krapp's Last Tape at the Leeds playhouse, Beckett Trilogy and On Blueberry Hill by Sebastian Barry for which he won the Origin theatre award in New York.