This research was conducted to examine the fear of smartphone withdrawal (nomophobia), alcohol and substance addiction status of university students according to sports and different variables. In this study, which was carried out with the voluntary participation of a total of 445 students, 228 female and 217 male, between the ages of 18 and 35, who continue their education at higher education level and in different academic units; Nomophobia Scale, whose Turkish form was created by Erdem et al. (2017) and reliability analysis was performed again by Güler and Veysikarani (2019), and Addiction Profile Index Risk Screening Form (BAPIRT) / (Alcohol Scale and Drug Scale) BAPI (Addiction Profile Index) risk screening scale (BAPIRT) developed by Ögel et al. (2012) Addiction Profile Index was used within the scope of the research. The research data were analysed using independent sample ttest, one-way analysis of variance (ANOVA) and LSD tests in SPSS 26.0 programme. The results were interpreted within the range of 0.01 and 0.05 and at the level of significant difference. When the nomophobia scale scores were examined, it was found that there were significant differences between the groups in the variables of gender, age, educational status, class level, marital status and daily time spent with hairy phones (p<.0.05), but not in the variables of faculty, regular sports, type of sports and duration of sports (p<.05); there was no significant difference between any variables in alcohol addiction scale scores (p<0.05), and there was a difference only in the marital status variable in substance addiction (p<0.05). In the study, it was determined that nomophobia levels of university students differed according to many variables other than sports-related variables, and only marital status was effective on substance addiction.