| Country: | IRL |
| Type: | R |
| Image Notes: | Petrol station on the R748 in Carnew |
| Route: | 748 |
| Length Km: | 11.0 |
| Terminus A: | R725 at Main Street, Carnew, County Wicklow |
| Terminus B: | R747 at Killaveny |
| Previous Type: | R |
| Previous Route: | 747 |
| Next Type: | R |
| Next Route: | 749 |
The R748 road is a regional road in County Wicklow, Ireland. It travels from Carnew to the R747 road, via Kilcavan, Coolboy and Coolafancy. The road is 11km (07miles) long.