Gladwyn Jebb
| The Lord Gladwyn | |
|---|---|
| Jebb in 1951 | |
| Member of the House of Lords | |
| Lord Temporal | |
| as a hereditary peer 12 April 1960 – 24 October 1996 | |
| Member of the European Parliament for the United Kingdom | |
| In office 1973–1976 | |
| British Ambassador to France | |
| In office 1954–1960 | |
| Preceded by | Sir Oliver Harvey | 
| Succeeded by | Sir Pierson Dixon | 
| Permanent Representative of the United Kingdom to the United Nations | |
| In office 1950–1954 | |
| Preceded by | Sir Alexander Cadogan | 
| Succeeded by | Sir Pierson Dixon | 
| Secretary-General of the United Nations | |
| Acting | |
| In office 24 October 1945 – 2 February 1946 | |
| Preceded by | Seán Lester (as Secretary-General of the League of Nations) | 
| Succeeded by | Trygve Lie | 
| Personal details | |
| Born | Hubert Miles Gladwyn Jebb 25 April 1900 Yorkshire, England | 
| Died | 24 October 1996 (aged 96) Suffolk, England | 
| Political party | Liberal (1960–1988) Liberal Democrats (from 1988) | 
| Other political affiliations | Liberal and Democratic Group (1973–1976) | 
| Spouse | |
| Children | 3 | 
| Relatives | Tatiana de Rosnay (granddaughter) | 
| Education | Sandroyd School Eton College | 
| Alma mater | Magdalen College, Oxford | 
Hubert Miles Gladwyn Jebb, 1st Baron Gladwyn GCMG GCVO CB PC (25 April 1900 – 24 October 1996) was a prominent British civil servant, diplomat and politician who served as the acting secretary-general of the United Nations between 1945 and 1946.