The chemical inertness of abundant and commercially available alkyl chlorides precludes their widespread use as reactants in chemical transformations. In this work, we present a metallaphotoredox methodology to achieve the catalytic intramolecular reductive cyclization of unactivated alkyl chlorides with tethered alkenes. The cleavage of strong Csp3‐Cl bonds is mediated by a highly nucleophilic low‐valent cobalt or nickel intermediate generated via visible light photoredox reduction employing a copper photosensitizer. The high basicity and multidentate nature of the ligands are key to obtain efficient metal catalysts for the functionalization of unactivated alkyl chlorides