| John Ewart | |
| Birth Date: | 14 May 1858 |
| Birth Place: | Ecclefechan, Dumfriesshire, Scotland |
| Death Place: | Wellington, New Zealand |
| Education: | University of Edinburgh, MD, 1885 |
| Occupation: | Surgeon |
| Years Active: | 18851922 |
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| Office: | may be used as an alternative when the label is better rendered as "Office" (e.g. public office or appointments) --> |
John Ewart (14 May 1858 - 5 August 1939) was a New Zealand doctor and medical superintendent of Wellington Hospital from 1889 to 1909. He was born in Ecclefechan, Dumfriesshire, Scotland on 14 May 1858.