Proceedings of Annual Tokyo Business Research Conference 15 - 16 December 2014, Waseda University, Tokyo, japan, ISBN: 978-1-922069-67-2 Integrated Marketing Communication of Fast Food Business in Bangkok Metropolitan Chananrat Nitayo*, Somsak Kuhaswonvetch** and Nuttawut Rojniruttikul*** The purposes of this research are 1) To study the opinion on the integrated marketing communication of fast food business of consumers in Bangkok metropolitan and 2) To compare the integrated marketing communication of fast food business by personal factors. The researcher collected data from 400 consumers who use fast food service in Bangkok metropolitan. The research instruments were questionnaires and data were analyzed by statistical program. Statistics for data analysis were percentage, arithmetic mean, standard deviation while T-test and One-way ANOVA were used to test the hypothesis. The research results were as follows: 1) In overall, consumers agreed with the integrated marketing communication strategy of fast food business in Bangkok metropolitan. 2) Consumers who had different gender had different opinion on personal selling of fast food business in Bangkok metropolitan at statistical significance level of 0.05. and 3) Consumers who had different age had different opinion on public relations of fast food business in Bangkok metropolitan at statistical significance level of 0.05. Field of research: Integrated Marketing Communication *Miss Chananrat Nitayo, Administration and Management College, King Mongkut's Institute of Technology Ladkrabang, Thailand, Email : cn_neay@hotmail.com **Assistant Professor. Dr. Somsak Kuhaswanvetch, Faculty of Agricultural Technology, King Mongkut's, Institute of Technology Ladkrabang, Thailand, Email: kkusomsa@kmitl.ac.th ***Assistant Professor. Dr. Nuttawut Rojniruttikul, Administration and Management College, King Mongkut's Institute of Technology Ladkrabang, Thailand, Email: krnuttaw@kmitl.ac.th