This document lists the winners of the 2012 United Nations Public Service Awards across 5 categories: 1) Preventing and Combating Corruption, 2) Improving Delivery of Public Services, 3) Fostering Participation in Policy Decisions, 4) Advancing Knowledge Management, and 5) Promoting Gender-Responsive Services. Winners are listed for each region (Africa, Asia, Europe, etc.) and initiative details are provided for each first and second place winner.