Andrew Marshall Porter (6 January 1874 – 5 June 1900) was an Irish barrister who was killed in the Second Boer War while fighting for the Imperial Yeomanry. He was also a noted sportsman, representing Ireland at both cricket and field hockey.Born at Donnycarney, Porter was the son of Andrew Marshall Porter, Sr. (later 1st Baronet), a lawyer who was an MP for Londonderry and served variously as Ireland's Solicitor-General, Attorney-General, and Master of the Rolls.