In Rwanda a study done by Mody [8] on characteristics and presentation of cancer among patients showed, stomach cancer leads with 552, followed by breast cancer 508, cervical cancer 471, lymphomas 423, Skin cancers 349, liver 329, prostate cancer 240, lung cancer 120 and ovarian 103. Despite survival rates being low ranging from 10 to 40 percent, in settings where early detection and basic treatment are available and accessible, the five-year survival rate for early-localized breast cancer exceeds 80 percent, according to the World Health Organization. Little is known on utilization of the screening services and factors associated with breast cancer among women in Rwanda. Hence, this study aimed to assess factors influencing utilization of breast cancer screening among women in Kigali city, Rwanda. Materials and Methods Study setting and populationA cross-sectional study was conducted to assess factors influencing utilization of breast cancer screening among women at