A crimping clamp includes a pair of clamp bodies, a pair of jaws and a pair of lock mechanisms. A head end of the clamp body includes a containing groove, a pair of perforations and at least one opening. The perforations are respectively disposed at two corresponding sides of the containing groove and correspond to each other. Each of the jaws includes a hole. When each of the jaws is combined in each containing groove, each hole corresponds to one of the openings. Each of the lock mechanisms includes a bolt, a rod and an operating lever. The bolt is movably inserted in the opening. One end of the rod is connected with one end of the bolt. The operating lever is movably inserted in the perforation, and one end of the operating lever is connected with the other end of the rod.