Objective: Social media addiction (SMA) can negatively affect individuals' physical and healthy nutrition. This study aimed to investigate the relationship between SMA and adherence to the Mediterranean Diet (MedDiet) among university students. Materials and Methods: The study sample consisted of 406 students enrolled during the Fall semester of the 2020-2021 academic year. Data collection tools included the Social Media Addiction Scale (SMAS) to evaluate the extent of SMA and the Mediterranean Diet Adherence Scale (KIDMED) to assess dietary patterns. Results: Among the students who participated in the study the mean age of 21.07±3.06 years. 66.0% of the students consumed two main meals per day, with lunch being the most frequently skipped meal. The adherence to the MedDiet was moderate for 59.6% of male students and 57.9% of female students. 81.1% of the students spent time on social media during main meals. SMA of varying levels was detected in 63.8% of the students. A weak negative correlation was found between the KIDMED scores and the SMAS scores of the participants (p