In the last three decades, the promotion of stakeholder involvement in evaluation has been gaining relevance in the Latin American and internationally, across varied agencies, institutions, and civic organizations. The 2030 Agenda and the Global Evaluation Agenda have also recognized the centrality of participation in evaluation. This article explores stakeholder involvement in evaluation based on collaborative work with stakeholders from 15 evaluative experiences. It shows what characterizes participatory evaluation in the region today and the principles of this practice.