R426 road
Bóthar R426
At junction with R427
Route information
Length	32 km (20 mi)
Location
Country	Ireland
Primary destinations	County Laois Portlaoise leave the N80 in Town Centre Joins the R425, crosses the M7, then leaves the R425 R427 Timahoe The Swan – R430 County Kilkenny Clogh Castlecomer, terminates at the N78
Highway system
Roads in Ireland Motorways Primary Secondary Regional

The R426 road is a regional road in Ireland, which runs north–south from the N80 in Portlaoise, County Laois to the N78 in Castlecomer, County Kilkenny. The route is 32 km (20 mi) long.