Grace Morenike OBASEKI2024-05-222024-05-222022-12Kate TurabianMLIShttps://repository.lcu.edu.ng/handle/123456789/279This study investigated the influence of job motivation and leadership styles on job performance of library personnel in university libraries in Oyo State. Descriptive survey research was used for the study. The population of the study was 164 library personnel in universities in Oyo State. An adapted questionnaire was used as the instrument of data collecti,,m on, census sampling technique was used due to manageable population. The data collected were analyzed using both descriptive and inferential statistics. Linear and multiple regressions were used for hypotheses testing at a 0.05 level of significance. The finding of the hypothesis disclosed that there is a significant influence of motivation on job performance of library personnel among universities in Oyo State and there is a significant influence of leadership styles on job performance of library personnel among universities in Oyo State (p=0.000<0.05) respectively. The result of the hypothesis also revealed that motivation and leadership styles have joint influence on the level of job performance but at a low rate. It was recommended that transformational and transactional leadership practices should be instilled in the course of trainings, and library leadership should make provision for motivational ingredients that can serve as an encouragement for the library personnel to enhance the level of their job performance Keywords: University libraries, Job Performance, Job Motivation, Leadership Styles, Library Personnel. Word count: 274enThesis