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Herein, we described a nickel-catalyzed monofluoroalkenylation through defluorinative reductive cross-coupling of gem-difluoroalkenes with alkyl halides. Key to the success of this strategy is the combination of C–F cleavage with alkyl halides activation. This reaction enables the convenient synthesis of a large variety of functionalized monofluoroalkenes under mild reaction conditions with broad functional group compatibility and excellent Z-selectivity. The combination of Ni catalysis with (Bpin)₂/K₃PO₄ as terminal reductant promoted the efficient C(sp²)–C(sp³) formation especially the generation of all-carbon quaternary centers with high chemoselectivity.