To better understand how to ensure the sustainability of Spotlight Initiative’s results, it is pivotal to identify opportunities for bringing what works to scale to sustain the gains of ending violence against women and girls (EVAWG). Through an extensive mapping analysis of mid-term assessments, programme annual reports, Phase II programme proposals and the Secretariat survey, this knowledge brief draws out promising approaches, lessons on sustaining EVAWG efforts across Spotlight Initiative programmes as well as questions that need to be further interrogated to strengthen sustainability efforts of the Spotlight Initiative.