Conyngham Greene
| Conyngham Greene | |
|---|---|
| British Ambassador to Japan | |
| In office 1 December 1912 – April 1919 | |
| Monarch | George V | 
| Prime Minister | H. H. Asquith David Lloyd George | 
| Preceded by | Sir Claude Maxwell MacDonald | 
| Succeeded by | Sir Charles Eliot | 
| Personal details | |
| Born | William Conyngham Greene 29 October 1854 Dublin, Ireland | 
| Died | 30 June 1934 (aged 79) | 
| Nationality | British | 
| Spouse | Lady Lily Frances Stopford | 
| Parents | 
 | 
| Relatives | Richard Wilson Greene (grandfather) John Plunket, 3rd Baron Plunket (grandfather) William Greene (uncle) | 
| Occupation | Diplomat | 
Sir William Conyngham Greene, GCMG, KCB, PC (29 October 1854 – 30 June 1934) was a British diplomat who served as minister to Switzerland, Romania and Denmark, and as ambassador to Japan.