Peter Albert Michael Haden-Guest, 4th Baron Haden-Guest (29 August 1913 – 8 April 1996), was a British United Nations diplomat and member of the British House of Lords.
A dancer and choreographer who performed as Peter Michael with the Markova-Dolin Ballet, Ballet Divertissement, Ballet Theatre, Ballet Joos, and the Repertory Dance Theatre from 1935 until 1945, Haden-Guest was a United Nations official from 1946 to 1972.
They had one child, Anthony Haden-Guest (2 February 1937—)
Jean Pauline Hindes (1921-2017), whom he married in 1945.
They had three children: Christopher (1948–), Nicholas (1951–), and Elissa (1953–).Upon his death, Lord Haden-Guest was succeeded by his son Christopher, an actor who is married to the actress Jamie Lee Curtis.
Lord Haden-Guest's eldest son, New York journalist Anthony Haden-Guest, was born before his parents were married and was thus ineligible for the title.