In this chapter we bring together three previously unconnected areas of research relating to young men and boys: trauma and prison, trauma and masculinity, and prison masculinities. Within the existing literature there emerges a significant focus on incarcerated young women and trauma, while there is a relative dearth of literature focusing on young men and boys and their trauma experiences prior to, and as a consequence of, incarceration. Furthermore, we consider the ways in which masculinity and trauma interact to reduce the likelihood that young men and boys are able to seek help or benefit from treatment. Consequently, this chapter advocates that there is a pressing need to better understand how prison masculinities interface with traum...