This study analyzes relationship between Foreign Direct Investment (FDI), the Environmental Performance Index (EPI) and the economic growth of 4 selected Southeast Asian countries. The study utilizes secondary data on economic growth, FDI, and EPI during 2010-2021 period from four Southeast Asian countries, including Vietnam, Thailand, Malaysia, and Indonesia. Data were obtained from the World Bank and the Yale Center for Environmental Law & Policy. Correlation analysis was employed to examine the relationship between FDI, EPI and economic growth. The results show significant positive correlation between FDI and economic growth and in-significant relationship between EPI and economic growth.