The purpose of this study was to investigate the engagement of stakeholders in project performance, with a case study of Inspire, Educate and Empower (IEE) in Rwanda. The study used a mixed-methods approach, with both qualitative and quantitative data analyses. The research design was descriptive, and the study population was 227 people from IEE Organization Rwanda, including project beneficiaries, stakeholders, project managers, and IEE administrative staffs. The sample size was 144 respondents, data collected through structured questionnaires. Primary and secondary data collection methods were used. Primary data was collected using questionnaires, and secondary data was collected from literature, reports, and journals. Findings were analyzed using descriptive statistics through Statistical Product and Service Solutions (SPSS). The findings of the study indicated that there is a strong positive correlation between stakeholder engagement and project performance. The study also found that project planning, project implementation, and decision making all have a significant impact on project performance. The conclusion of the study is that stakeholder engagement is essential for project success. The study recommends that project managers and organizations should actively engage with stakeholders throughout the project lifecycle in order to improve project performance. The study recommends that project managers and organizations should: identify all stakeholders early in the project lifecycle. Understand the needs and expectations of stakeholders. Communicate regularly with stakeholders. Involve stakeholders in decision making. Manage stakeholder conflict effectively. The results from the field analyzed and tested where statistically indicated a positive correlation of stakeholder engagement and project performance. The researcher concluded that stakeholder engagement has a positively significance on project performance in Rwanda.