This article describes and explores what is meant by the term social justice. Emphasis is given to social justice issues that pertain directly or indirectly to the study of crime and justice. To accomplish this, general definitions of social justice are described, and the origins of the term social justice are briefly discussed. Next, a series of topics related to the study and practice of social justice are presented and explored in turn. These topics include, though are not limited to, peacemaking criminology, restorative justice, victim advocacy, environmental justice, and prison abolition.