The study examined the influence of project stakeholders’ management and project performance in Rwanda. The objectives were to identify the effect of Stakeholders' needs and expectations, Stakeholder communication, Conflict management strategies, and stakeholders’ participation on the performance of SCSC. The study used universal and purposive sampling techniques to select 129 respondents as the sample size. Data collection instruments were questionnaire and document review, while, methods of data analysis were descriptive statistical methods, correlation coefficient matrix, and multiple linear regression analysis. The results revealed that project stakeholder management has contributed R=0.820a of the variation in the project performance as explained by R2 of 0.672 indicating that the model is positive and strong on a rate of 67.2%, and this showed that the model is a good prediction. This means that 37.3% of project performance comes from other variables that are not included in the Model of this research. The results revealed that the level of the f-test model is 63.412 which is positive with a p-value of 0.000b less than both standard significance levels of 0.05 and 0.01. The results indicated that Stakeholders’ needs and Expectation have a positive and significant effect on the Project performance of SCSC in GIHOMBO and KILIMBI Sectors, as (β1= .444, t= 3.842; p-value= .000 less than 10%). The stakeholders’ communication has a positive and significant effect on the Project performance of SCSC involved in GIHOMBO and KILIMBI Sectors, Nyamasheke District (β2= .346, t= 2.362 and p-value= .002 less than 10%).  The results also indicated that conflict management strategies have a positive and significant effect on the Project performance of SCSC involved in GIHOMBO and KILIMBI Sectors, (β3=.119, t= 1.472; p-value= .003 less than 10%).  The findings indicated that Stakeholders’ participation has a positive and significant effect on the Project performance of SCSC involved in GIHOMBO and KILIMBI Sectors, (β4= .154, t= 1.308 and p-value= .001 less than 10%).

Key Words: project, stakeholders, management, Stakeholders’ needs and Expectation identification, Stakeholders’ communication, Conflict management strategies, Stakeholders’ participation, project performance