Destination image approach could be considered as an effective approach to evaluate the potential as well as economic aspect of sustainable tourism development. Among 6 factors contributing Vietnam destination image, Natural resources and Language factor represent for the potential of sustainable tourism development. This factor is one out of two factors that have the most influence on revisit intention of international tourists yet this is also the worst percieved quality among all factors forming Vietnam destination image. This, in turn, proves the necessity of planning for Vietnam tourism sustainability. Also, this proves that sustainable tourism development in Vietnam will generate sustainable income. Among many personal factors, only nationality is found to be affected on tourist’s perception of Natural resources and language factor. Tourists from Australia tend to highly evaluate the potential of Vietnam tourism sustainability.