The use of library information resources has the potentials of enhancing the quality of research and learning in universities. Despite the importance of the use of library information resources, observations have shown that the use of library information resources seems to be dwindling in some university libraries in Nigeria. Factors identified to have been responsible for this could be poor study habits. A literature search has shown that study habits and use of library information resources have not been adequately researched within the Nigerian context. Thus, the study examined the relationship between study habits and use of library information resources by undergraduates in University of Ibadan (UI) and Lead City University (LCU). Descriptive survey research design was adopted. The population comprised 16,069 undergraduates in the two selected universities. The multistage sampling method was used to select a sample size of 428. The questionnaire was the instrument used for data collection. The results indicated that undergraduates at UI, 156 (48.3%) and LCU, 36(53.7%) made use of library information resources to prepare their class assignments. Level of study habits were found to be high at UI (mean = 115) and LCU (mean = 121). Findings revealed that there was a significant relationship between study habits and use of library information resources at UI (r = 0.420**) and LCU( r = 0.413**). Part of the recommendations was that, to sustain the use of library information resources for academic activities, awareness of the available library information resources by library personnel should be sustained.