Victimization is a common occurrence in the everyday lives of most people, an exceptionally complex one in terms of its form, the characteristics of the environment it occurs in, as well as the characteristics of both the victims and the culprits. The consequences of victimization are many and are mutually intertwined. A series of physical, psychological, social, economic, cultural and other consequences of being a victim can, ultimately, lead to suicide, as a final option in dealing with being affected. One of the high-risk environments for victimtion and suicide is prison, a specific environment in its social structure and dynamic. The goal of this thesis is gaining insight into prisoner suicide occurrences in prison systems around the World and their correlation with the characteristics of the environment, the victims themselves and interhuman relations through an overview of already existing literature. The goal is to also gather relevant insight into the programmes of prison systems related to the issue of suicide. To do this, this thesis will analyse the correlation of suicides and prisoner classifications, along with the characteristics of penal establishments and quality of life within them, the personalities of the prisoners, their interactions, both with other prisoners and prison staff, and other significant factors described in the available scientific studies conducted in the Croatian and English language. Available procedures and support systems with the goal of prevention or crisis intervention will also be examined for both convicts and penal establishment staff alike.