The ASEAN Economic Community will be establisged in 2015 investigates the to intergrate the regional economy. A professional accountant in a member country may then apply to practice in other member countries. This exploratory study investigates the competencies of Thai accounting students and their readiness for the aec and also tests for the relationships between the students competencies and their level of readiness. This tudy finds that the accountion students Ethical Knowledge Capability and Relationship competencies are at the high level while their Analysis competency is only at the moderate level. The level of students readiness for the aec is indicated to be at the medium high level. The results of the regression analysis show a significant positive relationship between the accountion students Capability Knowledge Ethical and Relationship competencies and the level of their readiness for the AEC