Ross Castle
| Ross Castle | |
|---|---|
| Native name Caisleán an Rois (Irish) | |
| Coordinates | 52°02′28″N 9°31′52″W / 52.041°N 9.531°W | 
| Area | Killarney, County Kerry, Ireland | 
| Built | 15th century | 
| Built for | O'Donoghue family | 
| Architectural style(s) | Tower house and keep | 
| Governing body | Office of Public Works | 
Ross Castle (Irish: Caisleán an Rois) is a 15th-century tower house and keep on the edge of Lough Leane, in Killarney National Park, County Kerry, Ireland. It is the ancestral home of the Chiefs of the Clan O'Donoghue, later associated with the Brownes of Killarney.
The castle is operated by the Office of Public Works, and is open to the public seasonally with guided tours.