Abstract : <p>A mass in the right iliac fossa is a typical occurrence in surgical practise, with consequences that have piqued the interest of physicians and surgeons for a long time. The presence of a mass in the right iliac fossa is relatively unusual, and it is still a topic of debate. Patients with a mass in the right iliac fossa should see a surgeon, physician, paediatrician, obstetrician, and gynaecologist. The goal of this study was to learn more about the many etiologies of right iliac fossa tumours, their clinicopathological behaviour, and therapeutic options. This Descriptive Cross-Sectional study was conducted in Dr. D. Y. Patil Medical College, Hospital and Research centre located in Pimpri, Pune between May 2020 to June 2021. In the present study the most common cause of RIF mass encountered was appendicular pathology followed by lleocaecal TB, carcinoma caecum and psoas abscess. Majority of the patients presented in their 3rd decade followed by 4th decade of life with male predominance. A thourough understanding of the various etiologies and management protocols for various right iliac fossa masses is of utmost importance to improve the level of care to be provided as a general surgeon.</p>