The purpose of the research is to study lecturers satisfaction on the service from International Affair Division in Faculty of Engineering, King Mongkut s Institute of Technology North Bangkok. The sample group was 100 lecturers working in 9 Departments in Faculty of Engineering in the year 2005. The research tool was a questionnaire about the level of lecturers satisfaction on the service from International Affair Division in Faculty of Engineering. The questionnaires are consisted of the level of satisfaction in 5 parts rating scale about of the efficiency, convenience and speed of the service on document information, public relationship, human relationship, personal characteristic, accommodation and environment. The questionnaire answers were returned from 85 lecturers, which is 85% of total questionnaires. Then questionnaire answer data were collected and analized by using Percentage, Arithmetic Mean ( X ), Standard Deviation (S.D.). The study indicated that the lecturers have high satisfaction on the efficiency, convenience and speed of the service on document information ( X = 3.51), human relationship ( X = 3.97), personal characteristic ( X = 3.83), moderate satisfaction on public relationship ( X = 3.13), accommodation and environment ( X = 3.27).