Henry O'Brien | |
|---|---|
| Earl of Thomond | |
| Tenure | 1624–1639 |
| Predecessor | Donogh, 4th Earl |
| Successor | Barnabas, 6th Earl |
| Died | 26 July 1639 |
| Buried | St Mary's Cathedral, Limerick |
| Spouse(s) | Mary Brereton |
| Issue Detail | Margaret, & others |
| Father | Donogh, 4th Earl |
| Mother | Elizabeth FitzGerald |
Henry O'Brien, 5th Earl of Thomond PC (Ire) (1588–1639), styled Lord Ibrickane until 1624, was summoned to the House of Lords of the Irish Parliament of 1613–1615.