Abstract: This study was carried out with the intension of understanding job satisfaction, job stress and organizational citizenship behavior of librarians in selected South-West Nigerian University libraries. Survey research design was used for the study. The population consisted of 109 librarians and total enumeration was used so as to ensure that all members of the population were used for the study. Structured questionnaire was employed for data collection and data collected were analyzed using frequency and percentage counts. The findings from the study revealed that the majority of the respondents were satisfied with their jobs. A greater numbers of them also agreed positively on the statements of organizational citizenship behavior which shows that they are engaged in organizational citizenship behaviors in their various libraries. As regards job stress, it was shown that much work pressure, work interfering during personal or family time; as well as the challenges of coping with technology were their major sources of job stress. The hypotheses revealed that there is positive significant relationship between job satisfaction and job stress and between job satisfaction and organizational citizenship behavior. However, a negative relationship was perceived to exist between job stress and organizational citizenship behavior.
Keywords: Job satisfaction, Job Stress, Organizational citizenship behavior, Librarian, South-West Nigeria, University libraries