Background & Aim: The main aim of performance appraisal is aid to staff development and increasing job motivation. Outcomes of performance appraisal consider as a determining indicators of the amount of success in achieving the mentioned aims. The aim of this study is to determine the employed nurses’ views regarding the performance appraisal&aposs outcomes and its relation with job motivation in medical-surgical wards of affiliated hospitals of Tehran University of Medical Sciences.

Methods & Materials: This investigation is a descriptive correlational study. The sample size was 120 of employed nurses in medical-surgical units in Tehran University of Medical Science that was selected by cluster sampling. The data was collected by questionnaire. Descriptive statistics, t-test and Pearson’s correlation coefficient were used for analysis.

Results: Perception of the most samples was almost positive (65%) about performance appraisal’s outcomes. They believed that the rate of the job motivation in surveyed units was low. There was a statistical significance relationship between performance improvement as one of the outcomes of the performance appraisal and job motivation (p<0.05).

Conclusion: Aiding to nurses performance improvement with using of performance appraisal was the only factor that was correlate with the job motivation in comparison with the other expectances of performance appraisal.