This situation analysis documents current trends in adolescent pregnancy/parenthood; summarizes key laws and policies impacting adolescent pregnancy in Thailand; identifies key drivers of vulnerability to inform prevention and care seeking efforts; maps potential partners; and identifies best practices (e.g., pregnancy prevention, interventions, and linkages to care and services) and entry points for a cross-sectoral approach. The findings of this study are intended for staff of the United Nations Children’s Fund, partner organizations, United Nations agencies and policymakers.