The main purpose of this study is to consider the relationship between Mobbing and organizational commitment of employees of Shahid beheshti power plant of Loshan in 2018. Methodology of research is descriptive and correlation type. Statistical population composed of 80 individuals who are selected by random sampling and by means of Kerjcie & Morgan table and finally 76 individuals selected with 95% confidence coefficient. Data gathering instrument are two standard questionnaires including Standard Spillage and Holt Organizational Bullying Questionnaire (2001) and Allen & Meyer's Organizational Commitment Questionnaire. Spillage and Holt Organizational Bullying Questionnaire (2001) have three dimension (bulling, victim, fighting) with reliability of (0.766) .Also Allen & Meyer's Organizational Commitment Questionnaire composed of three dimension (Emotional, Continuous, Normative).Data analysis is done by descriptive statistics include :( gender, marital status, education, work experience) And inferential statistics include: (Kolmogorov-Smirnov, Spearman correlation coefficient, Cruet Bartlett's test) through SPSS and Amos software. Findings showed that there is a negative meaningful correlation between Mobbing and Organizational commitment of employees, as well spearman correlation showed. In fact with increasing bully in organization or Mobbing, organizational commitment decreased.
