| Country: | IRL |
| Type: | R |
| Route: | 631 |
| Length Km: | 3.2 |
| Terminus A: | R630 at Whitewell Cross |
| Terminus B: | R629 at Cloyne |
| Previous Type: | R |
| Previous Route: | 630 |
| Next Type: | R |
| Next Route: | 632 |
The R631 road is a short regional road in County Cork, Ireland.[1] It travels from the R630 road at Whitewell Cross, Crochane, eastwards into the crossroads at Rock Street, Cloyne.[2]