The purpose of the study was to analyze effectiveness of Korea’s bilateral development cooperation for the agricultural sector in Myanmar using secondary time-series data from 1991 and 2018. This study utilized the Vector Error Correction Model (VECM). Results showed that Korea’s bilateral development cooperation in the agricultural sector had a positive effect on the agricultural GDP in Myanmar with a significant contribution. This study suggests that the Myanmar government needs to use ODA (Official Development Assistance) for efficient and sustainable agriculture in a more timely and manageable manner. Although the agricultural sector in Myanmar has great potential for development, there are various weaknesses such as the lack of access to foreign aid compared to other ASEAN countries due to the lack of stability in policy legislation. If it formulates better agricultural policies, laws, and legislation, there would be more support from Korea and other partner countries than ever before.