Background: Adolescent pregnancy is a serious and complex problem. An overwhelming majority of teens feel that avoiding teen pregnancy would be easier if they were able to have open discussions about contraceptives with their parents. Objective: To assess parent-adolescent communication about contraceptives and its associated factors in Bahir Dar city, North West Ethiopia,2022 GC. Methods: Institution based cross-sectional study supported by both quantitative and qualitative data. A total of 821 adolescent was included in the study from June 10 to 30/2022GC. Multi stage - simple random sampling technique was used. The data was collected by using a pre-tested and structured interviewer administered questionnaire via Epicollect5. Then it was exported in to Statistical Package for Social Sciences version 25 for analysis. Both bivariable and multi-variable logistic regression analysis were done.Variables with a p-value of <0.05 were considered statistically significant.Qualitative data was obtained from purposely selected 14 adolescent and 6 parent using open ended question by in depth interview then analyzed manually. Result: Overall (22.3%) (95% CI: 19%-25%) of adolescent had communicated about contraceptives with their parents in the past six months. Favorable attitude toward parent adolescent communication [AOR= 4.014;95%CI: 2.618-6.155] , being sexually active[AOR= 2.236,95%CI: 1.341-3.731 ], female sex [AOR =2.675 , 95%CI: 1.761-4.065], age(15-19) [AOR=1.641,95%CI: 1.042,2.586], knowledgeable toward contraceptives [AOR =1.661, 95%CI: 1.016-2.717],private school student [AOR=0.451;95%CI: 0.245-0.831] and family size of ≥5[AOR=2.764,95%CI: 1.791-4.267] were significantly associated with parent adolescent communication about contraceptives. From qualitative data the theme emereged as barrier that hinder parent adolescent contraceptives communication were cultural and religious factor, knowledge gap, busyness of parents, age and media as a source of information. Conclusion and Recommendation: Communication about contraceptives between adolescent and their parent was low. The most common reasons for low communication were culture.Therefore, ethnographic studies shall be conducted to explore the Ethiopian culture in relation to parent- adolescent communication about contraceptives. Keyword: Contraceptive, Adolescent, Parent, Communication