| Dough Castle | |
|---|---|
Dumhach Uí Chonchuir | |
 Dough Castle ruins | |
  | |
| General information | |
| Status | in ruins |
| Type | tower house |
| Town or city | Lahinch |
| Country | Ireland |
Dough Castle (Irish: Dumhach Ui Chonchuir – "sandbank of the O'Connors") is a ruined tower house at Lahinch in County Clare, western Ireland. It was established by the O'Conors in the early 14th century, but nothing remains of the original structures.