Dermot Robert Wyndham Bourke, 7th Earl of Mayo KP PC (Ire) (English: /bɜːrk/; BURK; 2 July 1851 – 31 December 1927) was an Anglo-Irish peer, styled Lord Naas (/neɪs/; NAYSS) from 1867 to 1872, who served as a representative peer in the British House of Lords (1890–1921) and member of the Senate of Southern Ireland (1921–22) and Seanad Éireann (1922–27).