To provide a radiation shielding safety glass, preventing sharp broken pieces from being scattered in breakage to be safe, having excellent visibility, and light.

In this radiation shielding safety glass, a cover sheet glass 10b having the following composition is stuck to both sides of the radiation shielding sheet glass 10a through a resin layer 10c. The composition is by mass percentage of oxide conversion SiO2 50-65%, Al2O3 3-14%, MgO 0-4%, CaO 0-2.9%, SrO 2-13%, BaO 2-13%, MgO+CaO+SrO+BaO 17-27%, Li2O 0-1%, Na2O 2-10%, K2O 2-13%, Li2O+Na2O+K2O 7-15%, ZrO2 1-9%, TiO2 0-5%, Sb2O3 0-1% and As2O3 0-1%.