An intensive group treatment approach for avoidant personality disorder (APD) was devised and evaluated. Seventeen patients with APD participated in a 4-day group treatment program. Treatment included group systematic desensitization, behavioral rehearsal, and self-image work. Outcome was assessed at posttest and 1-year follow-up on self-report measures of social anxiety, social functioning, depression, and self-image. In addition to a MANOVA, results of reliable and clinically significant change are presented. Significant change was observed on the measures as a group. The most notable change was on the Fear of Negative Evaluation scale, where 40% of the sample were recovered at posttest. The results of this program are promising, although the need for a more extended period of treatment is apparent.