Kerr-Wilson, A.; Gibbs, A.; McAslan Fraser E.; Ramsoomar, L.; Parke, A.; Khuwaja, HMA.; and Jewkes, R (2020). A rigorous global evidence review of interventions to prevent violence against women and girls, What Works to prevent violence against women and girls global Programme, Pretoria, South Africa Violence against women and girls (VAWG) is preventable. Over the last two decades, VAWG prevention practitioners and researchers have been developing and testing interventions to stop violence from occurring, in addition to mitigating its consequences. This rigorous, in-depth review of the state of the field presents what is now known five years on after the UKAID-funded, What Works to Prevent Violence Against Women and Girls (What Works) programme, a six year investment, in advancing our understanding of What Works within the context of the wider evidence base.