Communication competency of students is the ability to send messages to receivers which promote the attainment of goals establishing relationships in various contexts. The descriptive study aimed to evaluate and analyze communication competency of Khmer students. A total of 213 minority Khmer students from first to third year at Travinh University in Vietnam participated in this study. The results reveal that communication competencies of Khmer students are from adequate to good
there are significant differences in communication competency clusters of attentiveness, composure, coordination and expressiveness
and internal factors are positive predictors of communication competency of Khmer students. Therefore, it is essential for Khmer students to improve their communication competency in intercultural adaptation at universities.