Erad or ERAD may refer to:
Endoplasmic-reticulum-associated protein degradation Erad, Iran, a city in Fars Province European Conference on Radar in Meteorology and Hydrology Automobiles ERAD (Études et Réalisations du Douaisis), a French manufacturer of microcars abbreviation of exaradian (Erad), a unit of angle abbreviation of exarad (Erad), a unit of radiation dose
See also Irad, a Biblical name