Purpose: The purpose of the study was to assess the influence of supplier evaluation criteria on procurement performance of non-governmental organizations in Kenya with an aim of making recommendations on proper use of supplier evaluation.Methodology: This research study adopted a descriptive research design approach. The researcher preferred this method because it allowed an in-depth study of the subject. The target population was 168 heads of procurement. The 2018 NGO coordination board directory has a listing of all the 168 NGO’s spread all over the country. The study will combine two methods in its data collection that is, questionnaires and key informant interviews. After data collection, quantitative data was coded using Statistical Package for Social Science (SPSS) version 20. Data was analyzed through descriptive statistical methods such as means, standard deviation, frequencies and percentage. Inferential analyses were used in relation to correlation analysis and regression analysis to test the relationship between the four explanatory variables and the explained variable.Results: The independent variables reported R value of .846 indicating that there is perfect relationship between dependent variable and independent variables. R square value of 0.716 which means that 71.6% of the corresponding variation in procurement performance of the non-governmental organizations can be explained or predicted by (supplier commitment to quality, supplier financial status, supplier technical expertise, supplier basic profile) which indicated that the model fitted the study data. The results of regression analysis revealed that there was a significant positive relationship between dependent variable and independent variable at (β = 1.240), p=0.00 <0.05).Conclusion: The response rate of the study was 71%. The findings of the study indicated that supplier commitment to quality, supplier financial status, supplier technical expertise and supplier basic profile have a positive relationship with procurement performance of NGO’s in KenyaContribution to theory, practice and policy: the study recommended that NGO’s should embrace supplier evaluation criteria so as to improve procurement performance and further researches should to be carried out in other institutions to find out if the same results can be obtained.