Sir Moore Crosthwaite KCMG (13 August 1907 – 27 April 1989) was a British diplomat, ambassador to Lebanon and Sweden.
Ponsonby Moore Crosthwaite was educated at Rugby School and Corpus Christi College, Oxford.
He held a Laming Fellowship at The Queen's College, Oxford, in 1931 and joined the Diplomatic Service in 1932.
[1] He served at Baghdad, Moscow, Madrid and Athens before being appointed Deputy UK Representative to the United Nations in New York 1952–58, Ambassador to Lebanon 1958–63[2] and Ambassador to Sweden 1963–66.
[3] Moore Crosthwaite was appointed CMG in the New Year Honours of 1951[4] and knighted KCMG in the New Year Honours of 1960.