This document provides an overview of organic agriculture and certification in the Mekong region, highlighting its recent development, especially in Laos, Cambodia, Vietnam, and Myanmar. It compares third-party certification and Participatory Guarantee Systems (PGS), emphasizing that PGS offers a more accessible model for smallholders. Each country's progress, institutional frameworks, and challenges are outlined, with Laos being notable for officially recognizing PGS. The document underscores the need for culturally adapted, affordable certification systems to support organic market access and agricultural sustainability in the region.