This study assess the efficiency and user-satisfaction of cataloguing module of library management system in federal university libraries in Nigeria, using experimental and survey design. Seventy participants were purposely selected for the study. Observation and questionnaire were used to collect data. Results for efficiency showed that experienced participants attained 100 %, however, the per cent efficiency of inexperienced participants indicated: 71.08, 53.95, 53.87 and 30.55% for SLAM, Alexandria, NewGenLib and Koha respectively. The results also revealed that many participants were satisfied with SLAM, Alexandria, NewGenLib cataloguing module. However, majority of the participants were not satisfied with Koha cataloguing module. The study concludes that SLAM, Alexandria and NewGenLib cataloguing modules are efficient and participants are averagely satisfied using them, but Koha cataloguing module is not efficient and majority of participants are not satisfied with the module. The study recommends that SLAM, Alexandria, NewGenLib and Koha cataloguing interfaces should be improved upon.