Objective: To study the Epidemiological & Clinicopathological characteristics Of Triple Negative Breast Cancer. Methods: This descriptive cross-sectional study was conducted at a tertiary health centre over the period of 2 years from 2020-2022.The study sample included 100 patents of Biopsy and Immunohistochemistry proven Triple Negative Breast Cancer (TNBC). Age at diagnosis, race, histological grade, tumor size, nodal status, distant metastases, postoperative TNM staging, molecular subtypes, surgical performance, receipt of radiation, and chemotherapeutic administration were among the clinicopathological parameters included in analyses.