Gender mainstreaming is accepted by many national and international agencies and nongovernmental cooperatives as an effective strategy for promoting gender equality. Many researchers widely agree that universal manifold usability can also lead to poverty eradication, human development, and general economic growth everywhere but more specifically in Africa. This just shows the importance at a global level of gender equality and any strategy towards achieving it and ensures that women and men are equally captured in development programs and projects to have balanced priorities implemented, which results in sustainable development. This study's general objective was to investigate gender mainstreaming and Ricegrowers' cooperative performance in Bugesera District, Rwanda. It also focused on specific objectives such as examining Gender mainstreaming approaches (gender incorporate prospectus, sex-disaggregated data, and gender budgeting) and their influence on the performance of Ricegrowers' cooperative in Bugesera District, Rwanda, to determine the performance of Ricegrowers' cooperative in Bugesera District, Rwanda, and to assess the correlation between Gender mainstreaming approaches (gender incorporate prospectus, sex-disaggregated data, and gender budgeting) and the performance of Ricegrowers’ cooperative in Bugesera District, Rwanda. This study is an essential tool for government, society, and the researcher by formulating Gender mainstreaming strategies to improve the state of development projects in the country. Descriptive and analytical research was adopted. The study's sample size was 83 respondents drawn from the selected registered cooperative’s members in Bugesera District, Rwanda, and was determined using Sloven’s formula. Data collection instruments were both primary and secondary, which include questionnaires, interview guides, and documentary review, and a purposive sampling technique was used. Data were analyzed using computer software called Statistical Package for Social Scientists (SPSS) version 22. Quantitative data were analyzed using descriptive statistics, Chi-square, and multivariate analysis using SPSS v22, while qualitative data was analyzed thematically. Concerning the significant findings related to research question one, the study revealed that the majority (40 %) of the respondents agreed, followed by 36.5% who strongly agreed that Gender Mainstreaming approaches include Sex Disaggregated Data & Gender analysis, Gender Budgeting, Gender Incorporate Prospectus influence the performance of Ricegrowers' cooperative in Bugesera District. In line with research question two, the majority, 36.4%, of respondents agreed and 35.4% on the performance of rice growers' Cooperatives that include Increasing awareness, Sustainability, and lasting outcomes to the beneficiaries. The results and findings from increasing awareness are relevant and valuable. Based on significant discoveries, we can conclude a relationship between Gender Mainstreaming approaches and Success Factors of Ricegrowers' Cooperative as it