| Country: | England |
| Region: | South West England |
| Map Type: | Cornwall |
| Official Name: | Plain-an-Gwarry |
| Cornish Name: | Plen an Gwari |
| Civil Parish: | Redruth |
| Unitary England: | Cornwall Council |
| Lieutenancy England: | Cornwall |
| Os Grid Reference: | SW694423 |
| Coordinates: | 50.236°N -5.235°W |
| Hide Services: | yes |
Plain-an-Gwarry (Cornish: Plen an Gwari) is a hamlet in the west of Redruth, Cornwall, England, UK.[1] The name derives from Cornish plen an gwari (meaning "playing place"), an open-air performance area used historically for entertainment and instruction.