Long Thanh International Airport () is an international airport currently under construction in Long Thanh, Dong Nai, Vietnam. Located approximately east of Ho Chi Minh City, it has been approved to start construction by the Vietnamese government on January 4, 2021, and the Vietnamese government has decided to begin construction in January 5, 2021 and it will be finished by 2025. It will serve over 100 million passengers annually when built to the maximum designed capacity. The project is the most expensive infrastructure project in Vietnam’s history.