The article presents the results of the research on the identity of the female adolescent soldiers who, at the time of the study, were in the Colombian government's rehabilitation programs. The life history interviews methodology was used, 20 adolescents and young women participated, with an average age of 18.9 years. When they entered the illegal armed groups, they had an average of 12.5 years and remained in the groups an average of 4.4 years. From the narratives of the participants, it was discovered that the development of their identity went through three key moments: the first is the product of family interactions, and it is expressed in the tension of assuming the traditional role of women and the decision to join to illegal groups; the second is the result of their permanence in the groups and is defined by the strong masculine culture of war; and the third moment is a consequence of the transit of these women through of the governmental rehabilitation programs, and it is characterized by assuming control of their lives from the exercise of citizenship.