| Grenagh | |
| Native Name Lang: | ga |
| Settlement Type: | Village |
| Pushpin Map: | Ireland |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location in Ireland |
| Subdivision Type: | Country |
| Subdivision Name: | Ireland |
| Subdivision Type1: | Province |
| Subdivision Name1: | Munster |
| Subdivision Type2: | County |
| Subdivision Name2: | County Cork |
| Unit Pref: | Metric |
| Population As Of: | 2022 |
| Population Footnotes: | [1] |
| Population: | 724 |
| Utc Offset1: | +0 |
| Timezone1 Dst: | IST (WEST) |
| Utc Offset1 Dst: | -1 |
| Coordinates: | 52.0103°N -8.6103°W |
Grenagh [2] is a village close to Mallow in County Cork, Ireland. It is situated approximately 1 km from the main Cork-Limerick N20 road. The village is served by St. Lachteen's Catholic Church.[3] The local Gaelic Athletic Association, Grenagh GAA, have twice won the Cork Intermediate A Football Championship.[4] The village is in a civil parish of the same name.[2] Grenagh is part of the Cork North-Central (Dáil constituency).