John Ernest Harper | |
|---|---|
| Born | John Ernest Troyte Harper May 29, 1874 |
| Died | May 27, 1949 (aged 74) |
| Occupation | Royal Navy officer |
| Known for | Documenting the Battle of Jutland |
Vice-Admiral John Ernest Troyte Harper CB MVO (29 May 1874 – 27 May 1949) was a British Royal Navy officer.