The study investigated the influence of social networking on academic activities of business education students in federal universities in Nigeria. The study had six research objectives, six research questions and six null hypotheses. Descriptive survey design was adopted for the study. The population was 989 and the sample was 492, which was obtained using random sampling technique. Questionnaire was used to collect data for the study. The researcher, with the help of nine trained research assistants, administered the instrument in ten federal universities in Nigeria who run the business education programme. The field work took the researcher six weeks. The research questions were answered using, mean and standard deviation, while 2.5 was considered as the baseline for answering the research questions. Simple regression was employed to test the six null hypotheses at 0.05 level of significance. The findings of the study revealed, among others, that social networking had significant influence on students' class attendance, their personal studies and participation in group work. It was concluded that overindulgence of students with social networking on purposeless endeavours had negative influence on their academic activities. Based on the findings of the study, six recommendations were made, some of which were that business education students in federal universities in Nigeria should devote less time to social networking as the study revealed it negatively influenced their class attendance, business education students in federal universities in Nigeria should devote less time to social networking, as the study revealed that it negatively influenced their personal studies, business education students in federal university in Nigeria should devote less time to social networking as the study revealed that it negatively influenced their participation in group project work.