The R493 is a regional road in County Tipperary, Ireland linking Nenagh, via Puckane, Coolbawn, Ballinderry where it crosses the Ballyfinboy River and Terryglass to Carrigahorig.

[1] The road is approximately 29 km (18 mi) long.

The road arcs to the west of the N52 and N65 roads which cover the distance in 21 km (13 mi).