The study entitled “influence of effective planning practices on success of projects implemented by Food for the Hungry in Kamonyi District, Rwanda”, was carried out to provide a solution on the Problem of ineffective planning of projects especially those implemented by International NonGovernmental Organizations, Food for the Hungry in particular which leads to failure and poor results in a sustainable way. The general objective is to evaluate the influence that effective planning practices play on the project success of projects implemented by the Food for the Hungry in Kamonyi District. It relies on some theories such as Bureaucratic theory, administrative theory, Human resource theory and Contingency theory with an emphasis on Administrative theory because it covers almost every aspect of the research topic. The researcher used quantitative and descriptive research methodologies as the best methods depending on the variables and nature of the research Topic. Through simple random sampling, data was collected from 348 beneficiaries of the Food for the hungry in Kamonyi District among 2711 beneficiaries considered to be the population of the study.The results of the conducted survey among FH beneficiaries in Kamonyi District proved the position perception whereby they confirmed that the project passed through all aforementioned steps during planning phase. In line with the above, the analytical findings observed through linear regression model shows that overall contribution of the independent variables on the dependent variables through the value of R 2 as well as the value of adjusted R2 which stands at 0.628 (62.8%) of FH success in Kamonyi District. Those independent variables are Stakeholders engagement, Policy Consultation, Need Assessment, and Resources Mobilization. Finally, the research urges project planners to put more emphasis on planning phase before expecting a well performing project by taking into account the four aspects: Needs assessment, policy consultation, resources mobilization and stakeholder’s engagement and participation. There is a need that all interventions should more primarily rely on the community needs rather than being driven by donor’s intentions.