ABSTRACT This research investigated the relationship between mass media and extent of violence in two selected sub-counties in Western Region, Rwanda. Apart from determining the profile of respondents, the study investigated the level of influence of mass media in the study areas, extent of violence in the subcounties, and established the significant relationship between the level of influence and the extent of violence. Different theories and concepts were articulated in the literature review so as to give meaning and understanding the study variables. The researcher employed descriptive correlation design and using SLOVEN’s formula, the study sampled 109 respondents from 150 targeted populations and the sampling was done by the use of simple random sampling. The study used self administered questionnaires as research instrument and the study ensured validity and reliability of instruments using Content Validity Index, All ethical and logistic considerations of research were also taken into consideration. Data was analyzed in both qualitative and quantitatively using statistical techniques such as mean, standard deviation and Pearson correlation matrix. Findings indicated that levels of influence of mass media in misleading the public is low in the two sub-counties with overall mean of 2.35; however, there was high level of violence with overall mean of 2.59. Lastly, it was also noted that there is positive significant relationship between the study variables at (r =.789, P< .000) at .05 level of significance. The study concluded that level of influence of mass media leads to some extent of violence in the two sub-counties. It was recommended that the media houses should work hand in hand with other stakeholder such that they can promote peace as well as development of the sub