This research determines factors affecting the loyalty of bank clerks. Through responses from 266 employees of 15 bank branches in C?n Th? City and together with quantitative analytical methods, the paper shows that factors positively affecting the bank clerk?s loyalty include leadership style, working environment, job characteristics, salary and allowance, training opportunities, promotion opportunities, working conditions, learning and skill enhancement opportunities, working seniority, and monthly income. Meanwhile, negative factors consist of educational level and number of dependents. Of them, working environment and educational level are of the most profound impacts on the bank clerk?s loyalty. http://jabes.ueh.edu.vn/Home/SearchArticle?article_Id=6e845cde-45d5-4182-b971-307261011bb4