Dr. Ma. Ramona Reyes-Diyco is a Filipino spine surgeon specializing in degenerative spine disease. She is affiliated with Cardinal Santos Medical Center, Quirino Memorial Medical Center, Southern Philippines Medical Center, and Davao Doctors Hospital. Her clinical expertise includes cervical spine tuberculosis and degenerative spinal disorders. Dr. Reyes-Diyco actively participates in academic discussions on complex spinal infections and women in spine surgery. She contributes to multidisciplinary spine care in both Metro Manila and Mindanao.