The major purpose of this study was to ascertain use of library electronic resources and users’ satisfaction by undergraduates of National Open University of Nigeria, Lagos Study Centre. In carrying out this study, three (3) research questions were posed. The study adopted a survey design. Multistage sampling technique was used since the population was large. The study sample population comprised of 722 undergraduates of National Open University of Nigeria (NOUN), Lagos study Centre. The instrument used for data collection was a structured questionnaire. The research questions were answered using SPSS to determine frequencies, percentages, cross tabulations. The 1 (one) hypothesis of this research were measured using linear regression analysis and multiple regression analysis. The major findings of the study revealed: Inaccessibility to some electronic resources, incessant power supply, poor internet access, inadequate computer facilities to access information. Based on these findings, the following recommendations were made. Library management should make sure students are given adequate orientation to increased use of the library electronic resources. For users’ to be satisfied, there is need for appreciable level of power supply, improved infrastructure, improved Internet facilities among others