AimsThe study was conducted with the aim of investigating the impact of personality traits on the risk of developing type 2 diabetes and eating awareness among adult individuals. MethodsIt was planned and carried out as a descriptive-correlational study. The data collection process of the study was conducted using online communication methods and using Google Forms. These forms included Patient Identification Form, the Big Five Inventory to examine personality traits, the Mindful Eating Questionnaire to assess the level of eating awareness, and The Finnish Type 2 Diabetes Risk Assessment Questionnaire to determine the risk of type 2 diabetes. A total of 390 individuals were included in the study. ResultsSignificant differences were found among the sub-dimensions of personality traits and the levels of eating awareness. Extraversion, agreeableness, and conscientiousness were found to affect eating awareness, but no effect of personality traits on the risk of developing type 2 diabetes was found. Increasing eating mindfulness was found to reduce the risk of diabetes. ConclusionsThe study provides evidence of the relationship between personality traits and eating awareness and highlights the importance of eating awareness in reducing the risk of developing type 2 diabetes.