James de Barry | |
|---|---|
| Viscount Buttevant | |
| Tenure | 1561–1581 |
| Predecessor | James Barry, 3rd Viscount |
| Successor | David Barry, 5th Viscount |
| Born | 1520 |
| Died | 10 April 1581 Dublin Castle |
| Spouse(s) | Ellen MacCarthy Reagh |
| Issue Detail | David & others |
| Father | Richard de Barry |
| Mother | Isabel FitzGerald |
James de Barry, 4th Viscount Buttevant and 17th Baron Barry (1520–1581) was an Irish magnate. He joined the rebels in the Desmond Rebellion and died in captivity at Dublin Castle.