The utility model discloses a turning clamp for a connecting shaft with a space included angle eccentricity, which relates to the technical field of turning clamp tools and comprises a tool base, the tool base is used for being fixedly mounted on a lathe, a clamping support is fixedly arranged at the upper end of the tool base, and a shaft mounting hole for placing a connecting shaft body is formed in the clamping support. A side clamping mounting groove communicated with the shaft mounting hole is formed in the clamping support, and a side clamping mechanism used for clamping the side end of the connecting shaft body is mounted at the side clamping mounting groove; a base groove is formed in the center of the bottom of the tool base, a jacking and pressing mounting groove communicating with the shaft mounting hole is formed in the bottom of the base groove, and a jacking and pressing mechanism used for jacking and supporting the connecting shaft body is mounted at the jacking and pressing mounting groove; by arranging the side clamping mechanism and the jacking mechanism, axial and radial limiting clamping is achieved when the connecting shaft is turned, installation is convenient, the turning efficiency of the connecting shaft is improved, clamping stability is good, and the turning precision of the connecting shaft is improved.