This study aims to investigate some factors influencing purchase intention toward organic food among urban consumers in Vietnam, an Asian emerging economy. The extended Theory of Planned Behavior was used as theoretical framework for this study. In order to test the proposed model and hypotheses, a survey was conducted on a sample including 572 consumers in Hanoi, the capital city of Vietnam. The findings of structural equation modeling indicated that modern self, traditional self, health consciousness, organic-label trust, and subjective norm were significant predictors of attitude toward buying organic food, while environmental concern was not significantly related to attitude. In addition, attitude, subjective norm, and perceived behavioral control toward organic food purchase were found to be positively related to purchase intention. The research findings were discussed and implications for marketers and policy makers were provided.