Abstract: Project management is the process of providing people with something of value by using particular knowledge, skills, tools, and processes. The goal of project management is to achieve the projects objectives within the allocated time, financial constraints, and performance and is done through planning, organizing, monitoring, and controlling the numerous activities that go into a project. This study aimed at assessing the Influence of Sustainable Project Management Practices on Performance of Non-Governmental Organizations Projects in Turkana West Sub-County, Kenya.