The objective of this study is to determine factors affecting the loyalty of individual customers to LienVietPostBank Binh Thuan. Research data are collected from 395 individual customers who are recently using services at LienVietPostBank Binh Thuan. The study applies exploratory factor analysis and multivariate linear regression. The research results have proved that positive affecting factors to the loyalty of individual customers to LienVietPostBank Binh Thuan are reliability, responsiveness, assurance, sympathy, tangible facilities, the reasonableness of service charges, social responsibility, and customer satisfaction. In which, satisfaction and sympathy have the most influence on the loyalty of individual customers to LienVietPostBank Binh Thuan.