Background: An integrative and comprehensive approach is required to scale up youthrnutilization of sexual and reproductive health service especially facility based. This requiresrnbaseline survey of youth users of RHS and the quality service offered.rnObjective: The objective of the study was to assess factors affecting reproductive health servicesrnutilization among Bahir Dar university students.rnMethod: Institutional based cross sectional study was conducted among 848 Bahir Dar Universityrnstudents from March to May 2015, using a multi stage sampling technique. Self administeredrnquestionnaire was used to collect the data. The collected data was entered and analyzed using SPSSrnversion 20.rnResult: Of the total participants the utilization of reproductive health services was 33.7% FP,rn66.6% VCT, 58.1% STI treatment and 71.2% abortion among the pregnant females. Studentsrnwhose religion prohibits them to utilize FP were 47% less users of FP than those who are notrnprohibited at AOR: 0.53, 95%CI (0.3, 0.91). Students who had multiple sexual partners in thernlast three months were 3.84 times more VCT service users than student with single partnerrnAOR: 3.84, 95% CI(2.04,7.23). Students who had multiple sexual partners were 3.59 times morernAbortion service users than student with single partner AOR: 3.59, 95% CI (1.5, 25.71).rnConclusion: Age, cultural prohibition, religious prohibition, distance of service providing facilityrnfrom dormitory and service providing professionals attitude are some of the factors which are foundrnto affect RH service utilization among the university students.rnKey words: University students, Reproductive health, service utilization, sexual activity, youth