Wildlife crime poses a serious and irrefutable risk to global biodiversity and is a driver of the current global extinction crisis. Southeast Asia accounts for up to a quarter of global demand for illegal wildlife products, and is also both a source and transit region for this transnational trade. This report examines the governance frameworks for countering illegal wildlife trade in Indonesia, Singapore, Thailand and Viet Nam. After assessing the effectiveness of several responses to wildlife crime in these countries, the report provides recommendations for strengthening the capacities of the institutions involved and improving strategies to counter illegal wildlife trade.