This study was design to examine the role of parenting style and gender on assertiveness among students at Bahir Dar University. To meet this objective, the researcher drew 100 out of 379 student populations who were pursuing their study in 2007 E.C. 59 male and 41 female students selected as the sample participants of the study using stratified random sampling technique. The data were analyzed through mean, standard deviation, and three- way- ANOVA. The result revealed that there is no significant mean difference that observed between students’ level of assertiveness in second and third year students. The study also revealed that there is no significant difference in students’ assertiveness and sex. In addition, the study revealed that there is no statistical mean difference in assertiveness scores across four parenting styles (authoritative, authoritarian, permissive/ indulgent and neglectful). The study suggested that it is advisable to aware Parents of students on how to improve their children assertiveness and socially responsible behavior. This can be conducted by media channel, Non-governmental organizations so as to bring more advanced assertiveness on each generation. This should be consolidated by (i.e. teachers, principals, supervisors, union of parents – students- and teachers, and guidance and counseling officers, instructors and other concerned bodies in and out of university.