The study sought to examine gender Based Violence among families and family stability in Nyarusiza Sub-County, Kisoro DistrictUganda. The purpose of the study was to investigate the impact of gender based violence on family stability among families. The study objectives were; to find out the causes of gender-based violence among families in Nyarusiza Sub—County, Kisoro District, to establish the relationship between gender-based violence and family stability in Nyarusiza Sub-County, Kisoro District and finally, to find out the solutions or possible measures to reduce gender-based violence among families in Nyarusiza Sub-County, Kisoro District. The study adopted a qualitative approach utilizing a case study design to collect qualitative data by means of interviews from a sample of 10 community leaders (4 LC1s, 2 counselors, 2 LC2, 1 LC3 and 1 subcounty community development officer, 30 households taking 1 per household and 4 church leaders from different faith and 10 social workers. The data was analyzed qualitatively and the findings are presented as descriptions, narratives and verbatim. The results of the study show that gender-based violence is as a result of socio-cultural factors of male dominance, alcohol abuse, and misunderstanding between partners, different family backgrounds and financial problems. The results also show that gender-based violence mainly affect children and women in the families. Finally, it was concluded that domestic conflict and gender-based violence affect family peace and family instability leading to divorce and family disorganization. Considering the findings of the research, it was recommended that the Ministry of Gender and Child Welfare, the Law Enforcement Agencies, the Legislators and various Non-Governmental Organizations should consider empowering women socially and economically to reduce financial over-dependence on their male spouses, partners and husbands. Furthermore, it was recommended that communities must be educated on gender equality and such education can be incorporated in the school curriculum to sensitize and empower children from early age groups