Introduction: The clinical manifestations of the COVID-19 pandemic are heterogeneous andmay include various symptoms (gastrointestinal, musculoskeletal, neurological).Approximately 25% of patients report headache as a neurological symptom, making it thefifth most common symptom. These headaches may arise from structural brain changesassociated with the infection.Purpose: This study aims to identify the structural abnormalities observed in brain MRIthat correlate with chronic headaches in patients who had COVID-19 infection.Methods: The study included 30 patients with post-COVID-19 headaches and 30 controlpatients with no history of COVID-19. Demographic characteristics were analyzed usingt-tests and chi-square tests. MRI findings were categorized into six types: corticalatrophy, white matter lesions, vascular lesions, lacunar lesions, vascularencephalopathy, and sinusitis. Differences in MRI findings between the two groups wereevaluated using chi-square tests. Secondary outcomes included the analysis of symptomsaccompanying headaches, diagnoses following MRI, and treatments applied.