| James Hamilton Traill | |
| Birth Date: | 2 November 1896 |
| Birth Place: | Cassilis, New South Wales, Australia |
| Death Place: | Tuwinga, Bundella, New South Wales, Australia |
| Allegiance: | Australia |
| Branch: | Australian Imperial Force (1914–17) Australian Flying Corps (1917–18) |
| Serviceyears: | 1914–18 |
| Rank: | Lieutenant |
| Unit: | No. 1 Squadron AFC |
| Battles: | First World War |
| Awards: | Distinguished Flying Cross |
James Hamilton Traill, (2 November 1896 – 14 August 1967) was an Australian flying ace of the First World War credited with six aerial victories.[1]