Aim and Objectives: To assess the attitude and awareness of oral health among adult diabetic patients in south Chennai, India .Materials and Methods: The study participants comprised of 150 adult diabetic patients in south Chennai. The information was collected from each participant through structured questionnaire regarding attitude and awareness towards oral health. Pearson correlation coefficient test was used to assess the validity and reliability of questionnaire and any P≤0.05 was considered as statistically significant .Results: The study revealed limited dental care practices among the participants, with a significant 42.7% visiting a dentist only once a year and 11.3% never visited dentist. Daily oral care routines were suboptimal, with low knowledge of proper dental care practices. Most concerning 69.3% participants were unaware of the link between diabetes and oral health, leading to 68.7% of participants with lack of confidence in managing oral health while dealing with diabetes. Lifestyle factors, including tobacco and alcohol use, were prevalent and could exacerbate oral health issues. Conclusion: This study highlights the need for improved education, access to dental care, and better oral hygiene practices among individuals with diabetes in Chennai. Comprehensive oral health education programs tailored to their unique challenges are essential to enhance their overall well-being and quality of life.