Straboe Grave Slab is a medieval grave slab located in Straboe, County Carlow, Ireland.

It is protected under the National Monuments Acts (1930–2014).

The grave slab is located outside the ruined Templeboy church, approximately 6 km (4 mi) southeast of Castledermot, and 1.5 km (1 mile) north of the River Slaney.

A holy well, castle, ringfort and spring are also located nearby.

Its shape is similar to the De Profundis Stone in Kilbride, County Westmeath.