ABSTRACT This study was carried out with a purpose of establishing the effect of staff appraisal and productivity in non governmental organization using a case of UNDP- Uganda. The study was carried out basing on the following objectives; to establish the relationship between staff conversance with the performance appraisal process and productivity in UNDP, to establish the relationship between staff involvement in the setting of performance standards and productivity. To establish the relationship between staffs attitude towards the appraisal system. The methodology used both primary and secondary data sources through questionnaires, interviews and reviewing related literature was mostly word processed by the use of computer system. The population of the workers was 85 and the sample size used was 70 (seventy) members. The findings reveled that the staff ofUNDPU were generally indifferent towards the entire appraisals process, even if they are provided with opportunity to participate in the process. It is therefore recommended that the organization investigates the predictors of staffs productivity, so that management effort is focused on areas that can improve the staffs productivity.