This study aims to confirm relationship of determinants of demand for organic agriculture products in Chiang Mai. Self-administered questionnaires was sent out to respondents in Chiang Mai and Lampang. Data analysis was done by multiple regression analysis. The results prove demand theory of determinants but various degree of importance. For application of the results, producers should provide more information regarding consuming organic products to increase demand and to consumer with higher income as they tend to consumer more organic food than those of lower income consumers.
