Introduction: There was a gap between the rich and poor society in the use of contraception andrnit had persisted despite general global improvements in socioeconomic status and the expansionrnof family planning services. Modern contraceptive utilization was one of the services ofrnreproductive health and its utilization had many challenges in poor societies in terms of desirernand access of the service comparing from the higher class of the society. Women in the segmentrnof low socio economic class of the population like female beggars were not well addressed in thernreproductive health services.rnObjective: The objective of this study was to assess knowledge and utilization of modernrncontraceptive method and determinant factors among women beggars in Addis Ababa, Ethiopia.rnFrom March 28 up to April 2 /2019. rnMethod: The study was conducted in Addis Ababaon women beggars by community basedrncross sectional study on selected three sub cities. A total of 326 women beggars wererninterviewed using a structured questionnaire. Data was transferred from epi info database tornSPSS database using stat transfer for analysis. Logistic regression analysis was fitted and oddsrnratios with 95% Confidence intervals was computed to identify factors associated with utilizationrnof modern contraceptive method.rnResult:A total of 326 women respondents enrolled at begging activity were included in thernstudy. The participants were between 15-49 years with the mean age of 27and standard deviationrnof 6.2 years and 87.1% of them knew about contraceptive and 38.0% of them were recentlyrnusing modern contraceptive. Primary education, read and write and perception of unwantedrnpregnancy was preventable were significantly associated with modern contraceptive knowledgern(p