Group psychotherapy with multiple personality patients is an infrequently utilized technique. In a homogeneous group composed of multiple personality patients, the technique of group psychotherapy is examined in detail. The group setting, selection of patients, and group composition are described. Therapeutic issues involving group process, intrapersonal dynamics, transference, countertransference, co-therapy, and termination are examined. Finally, psychotherapy with the group of multiple personality patients is contrasted with group psychotherapy with borderline patients and incest victims.