College teachers are the pivot of an educational system. Self-esteem of teachers affects their personal, professional as well as social development, happiness, satisfaction and adjustment. The present study focuses to compare the self-esteem among the three categories of Undergraduate college teachers. Therefore, the present study was designed to find out the self-esteem level of designation-wise college teachers and to find out the difference of self-esteem among designation-wise undergraduate college teachers. For this purpose, total 270 Undergraduate (Associate Professors=90, Assistant Professors= 90 and Part-time & Guest teachers= 90) College teachers were used. Descriptive survey design was used in this study. The data was collected through Random sampling technique and using by Self-esteem scale [1]. Mean, SD, Percentage, ANOVA & t-test were used for analysis the data. The study observed that 51.11% of Associate Professor, 33.33% Assistant Professor and 15.56% part-timer and guest faculty are extremely high Self-esteem. 47.78% Associate Professor, 64.45% Assistant Professor and 70% Part-timer and guest are normal self-esteem. While 1.11% Associate professor 2.22 % Assistant Professor and 14.44% part-timer and guest are low self-esteem. The present study found that there is a significant difference in regard to self-esteem score among designation-wise (Associate Professor, Assistant Professor and Part-time and guest faculty) Undergraduate college teachers. The present showed that there is a significant difference in regard to self-esteem score between Associate and Assistant Professors of Undergraduate college. The research found that there is a significant difference in regard to self-esteem score between Associate Professors and Part-time & Guest teachers of Undergraduate college. The study also found that there is a significant difference in regard to self-esteem score between Assistant Professors and Part-time & Guest teachers of Undergraduate college.