Kenyan government has in recent years enhanced efforts to find an everlasting solution to the problem of extreme poverty which has ravaged many parts of the country. In view of the foregoing, the government has joined forces with various stakeholders to ensure that efforts towards this noble goal are sustainable. Developing countries depend mostly on developed countries for funding its community development projects. The objective of this study was to investigate the influence of stakeholder participation on sustainability of donor-funded projects in Lurambi Sub-county, Kenya. Descriptive research design was adopted for the study. The target population for this study was 120 respondents comprised of Managers, Heads of Departments and Project Management Committee Members from selected donor-funded projects within Lurambi Sub-county and forming a sample size of 60. Data was analyzed using both descriptive and inferential statistics. Findings revealed that stakeholder participation had a weak but positive and significant influence on sustainability of donor-funded projects in Lurambi Sub-county. The study concluded that sustainability of donor-funded projects in Lurambi Sub-county was influenced by stakeholder participation. The study recommended that all the relevant stakeholders should be informed and involved in all development projects for them to develop ownership attitude that can ensure sustainability.