List of leaders of the League of Nations
The leaders of the League of Nations consisted of a secretary-general, deputy secretary-general and a president of the Assembly selected from member states.
Deputy secretaries general
| Portrait | Name | Term | Country | |
| 1 | Jean Monnet | 1919–1923 | ||
| 2 | Joseph Avenol | 1923–1932 | ||
| 3 | Pablo de Azcárate | 1933–1936 | ||
| 3 | Massimo Pilotti | 1933–1936 | ||
| 4 | Seán Lester | 1937–1940 | ||
| 5 | Francis Paul Walters | 1940–1946 |
Under secretaries general
| Nation | Name | Term |
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