In this chapter explores uncommon types of breast cancer, highlighting their unique characteristics, diagnosis, and treatment strategies. It discusses lesser common breast cancers such as, adenocarcinoma, myofibroblastoma, angiosarcoma, tuberculosis-associated breast carcinoma (TB breast carcinoma), and male breast carcinoma. Each section provides insights into pathology, clinical presentation, diagnostic challenges, and therapeutic approaches, emphasizing the distinct considerations for these rare conditions. The chapter concludes with a summary and references to support further research, aiming to enhance understanding and management of uncommon breast cancers.