Abstract: A pet safety restraint is disclosed for the restraining of a pet in a vehicle equipped with a seat belt. The pet safety restraint includes a harness portion for securement around the body of a pet, the harness portion having a pair of lateral straps for respectively extending along the sides of the pet's body, and an attachment frame for connecting the lateral straps with the vehicle seat belt at spaced apart locations along the seat belt. The attachment frame has at least one seat belt receiving opening and the lateral straps of the harness portion are respectively affixable to the attachment frame at attachment points which are spaced apart in the longitudinal direction of the seat belt. The lateral straps each include a buckle for selective separation of the harness portion from the attachment frame.