The rapid development of the world must be balanced with strengthening the character of the Nation so that the younger generation does not lose the direction. Social problems caused by changes in cultural values among adolescents is one indicator of the declining character of the Indonesian nation. This condition is an alarm to improve the character of Indonesia from an early age. Through the Ministry of Education and Culture, the government has launched a program for Strengthening Character Education which was implemented early. Religious character becomes the main character that is proclaimed by the government to strengthen the character of the younger generation. Religious character has an important role as a director, guide, and balancer of other characters in students, so this character needs to be improved early on. The purpose of this study is to describe the role of religious characters in supporting the identity of the Indonesian nation's character. The method used is literature review. The results of this study will provide an overview of strategic steps to strengthen the religious character of senior highschool students.