Teachers are not always sure with their own abilities when teaching, hesitant to take action when they meet students who are considered difficult to direct and need support to communicate student progress to parents. The competence of teachers is based on belief in their own abilities, named self-efficacy. Teacher self-efficacy is the belief that a teacher has ability to teach, manage classes, make decisions, motivate and communicate with students effectively. Objective: describe teacher self-efficacy and to prove differences in teacher self-efficacy levels based on gender of kindergarten teachers in Tangerang, Indonesia. Methods: quantitative research using survey research methods with the non-probability sampling technique of the convenience method. The research subjects (N = 54) were kindergarten teachers. The descriptive statistical test in this study used a comparison between the hypothetical mean scale and the empirical mean. The Crosstabs method to see the relationship between teacher self-efficacy based on gender and the Explore method to determine teachers who have the highest and lowest levels of teacher self-efficacy based on gender. Results: with a measurement scale of 1-7, the hypothetical mean is 4 < 5.3188 the empirical mean of teachers' self-efficacy, shows that kindergarten teachers have a high level of teacher self-efficacy. In addition, Chi-Square = 48,938 with a significance value (p) 0.049 <0.05, shows that there is a significant relationship to the teacher self-efficacy based on the gender of kindergarten teachers in Tangerang. Conclusion: kindergarten teachers at several kindergarten school in Tangerang have a high level of teacher self-efficacy and there is a significant relationship between teacher self-efficacy and gender.