Mark Gerard Miles (born 13 May 1967) is a British prelate of the Catholic Church who works in the diplomatic service of the Holy See.

[1] He prepared for a career in the diplomatic service at the Pontifical Ecclesiastical Academy[2] and his early assignments included stints in Ecuador and Hungary and in Rome in the Section for General Affairs of the Secretariat of State.

[1] During Pope Francis' visit to the Philippines and the United States in 2015, his simultaneous interpretation into English was highly commended by the public.

[5] On 31 August 2019, Pope Francis named him Permanent Observer of the Holy See to the Organization of American States.

[1] On 5 February 2021, Pope Francis appointed Miles Apostolic Nuncio to Benin and titular archbishop of Città Ducale.