A steel pipe support and a steel pipe supporting device. The steel pipe support comprises a steel pipe supporting part, a supporting inner core arranged inside the steel pipe supporting part, steel pipe storage grooves formed in the steel pipe supporting part and arranged along the length direction of the steel pipe supporting part and spacing parts arranged between every two adjacent steel pipe storage grooves; and each of the steel pipe storage grooves is internally provided with at least two first supporting rib plates located at one side of the center section of the steel pipe storage groove and/or at least two second supporting rib plates located at the other side of the center section of the steel pipe storage groove, first recessed grooves are formed between every two adjacent first supporting rib plates, and second recessed grooves are formed between every two adjacent second supporting rib plates.