A shower door frame is disclosed comprising a track and a side frame; wherein a fixing part is fixed at a tail end of the track, a positioning block is arranged on an outer side of the fixing part, and a retaining block is arranged at a top end of the positioning block; the positioning block is embedded into the side frame; a locking assembly is arranged on the side frame, the locking assembly comprises a base fixed on the side frame and a tensioning part hinged with the base, the tensioning part is provided with a locking groove, and the locking groove is buckled with the retaining block. The present invention also provides a shower door comprising the shower door frame. The shower door frame and the shower door are simple in assembly operation, and suitable for a field assembly occasion.