Lori Heise reviews the empirical evidence of what works in low- and middle-income countries to prevent violence against women by their husbands and other male partners. The review focuses on prevention programmes rather than responses or services, and on research-based evaluations rather than insights from practice. Individual chapters cover: changing gender norms, childhood exposure to violence, excessive alcohol use, women’s economic empowerment, law and justice system reform. Heise summarises the evidence that links each factor with the risk of partner violence as well as the effectiveness of prevention programmes.