This paper is motivated by the ongoing debate on university reform in Vietnam. In particular, there is a need to quantify the level of governmental support for public universities and examine whether or not such a support is adequate. To this end, the present paper estimates training costs per student in different disciplines within the Vietnamese public university education system in 2010. The various estimates of unit costs are based on the definitional approach which defines unit cost as the ratio of total costs over output. In measuring total costs, private costs incurred by university students (apart from formal tuition fees) are excluded. Further, the opportunity cost method employed emphasizes implicit costs such as imputed land rent. The total output is based on weighted student numbers. Unit costs are then estimated using a variety of primary (from survey) and secondary data sources. The results obtained suggest that the unit costs of public university education in Vietnam vary considerably between disciplines. The results also support the presence of economies of scale and scope in higher education and a negative relationship between unit costs and teaching quality proxies. The overall unit cost of public universities in Vietnam is very low in absolute terms when comparing with other countries. However, unit cost relative to GDP per capita in Vietnam is more comparable with those of neighboring countries. Nevertheless, the findings of the paper imply that more resources need to be allocated to the public university sector as part of an urgently needed university reform in Vietnam.