Jean Jadot (23 November 1909 – 21 January 2009) was a Belgian Catholic prelate who served as apostolic delegate to the United States (the first non-Italian to do so) from 1973 to 1980, and as president of the Secretariat for Non-Christians from 1980 to 1984.

He was born to a well-known aristocratic family, and his father, Lambert, was a noted electrical engineer who worked around the world, including China and the Congo.

Jadot, despite his father's opposition, then entered the seminary of the Archdiocese of Mechelen, and was ordained to the priesthood by Jozef-Ernest Cardinal van Roey on 11 February 1934.

On 28 February 1968, Pope Paul VI appointed him titular archbishop of Zuri and apostolic delegate to Thailand, Laos, and the Malay Peninsula (Malaysia and Singapore).

[6] On 27 June 1980, Pope John Paul II appointed him the Pro-President of the Secretariat of Non-Christians,[7] a position normally held by a cardinal.