Performance appraisal has a vital importance both for employees’ motivation and organizations’ effectiveness. However, unless using a true and equitable performance appraisal method, which is debugged from appraisal errors, an effective performance appraisal can not be attained. The aim of this study is to evaluate the performance appraisal methods with regard to the appraisal errors in an attempt to rank them according to their level of clarity from the errors. To this end, the evaluation results of 29 Human Resources managers evaluated for 11 performance appraisal techniques against 8 potential appraisal errors are dealt within this study. These evaluations were analyzed by fuzzy VIKOR method and a consequent list of a performance appraisal methods by rank was achieved. According to the findings of the study, the most accurate alternative was determined as the Graphic Rating Scales Method while the least one was the Comparison Method. It is suggested that human resources managers should choose the most appropriate appraisal method for their organizations by following the steps that presented in this study.