The study investigated the effect of training and motivation on job performance of library personnel of University of Lagos, Lagos State, Nigeria. Observation show that library users frequently complain that library staff do not attend to their queries properly. This phenomenon could be attributed to lack of training and motivation to the library personnel. Survey method was used in the study. The population comprised 135 library personnel in the University of Lagos. Total enumeration was employed as sample size. Out of 135 copies of questionnaire distributed to the respondents, 91 were completed and returned. Analysis was done based on the returned copies of the questionnaire. Statistical methods used were frequency count (presented in tables), mean and standard deviation. The result of the study showed that training motivates library personnel in University of Lagos to do their jobs. In turn, this enhances their performance on the job. Therefore, the study recommends that regular training should be given to library personnel, not only in the University of Lagos but elsewhere, as this would result in increased productivity, availability of skilled workforce and personal growth.
Keywords: Training, Motivation, Job Performance, Library Personnel, University of Lagos, Nigeria