The present study aims to examine the awareness of teacher educators towards quality assurance in teacher educational institutions (TEIs) in Tamil Nadu. In this normative survey study, the investigators have selected 100 teacher educators as sample by simple random technique from Tuticorin, Madurai, Virudhunagar, Namakkal and Vellore districts of Tamil Nadu. The investigator used standardised self-made Quality Assurance Awareness Questionnaire with 28 items. To analyse the data, 't'-test, chi-square and ANOVA were the chosen statistical techniques. The findings show that (1) there is no significant difference in the awareness of teacher educators towards quality assurance in TEIs with respect to gender, (2) teacher educators with commerce master degrees are having more awareness than the teacher educators with science and arts, (3) teacher educators with B.Ed. degree are having more awareness than the teacher educators with M.Phil. and M.Ed., and (4) the level of awareness of teacher educators towards quality assurance in TEIs is moderate. Female teacher educators are slightly more aware than the male teacher educators towards quality assurance in TEIs.