Mental health professionals routinely assess psychosocial risk factors prior to bariatric surgery to help identify factors that may impede surgical outcomes. Data regarding longer-term psychosocial functioning postoperatively are needed. Assess the psychosocial functioning of patients who obtained bariatric surgery approximately 6years ago. A total of 161 patients consented to participate in the outcome study. Participants were compensated for their time and participation. Participants were weighed by the research/clinical staff and asked to complete a battery of self-report measures, including the Minnesota Multiphasic Personality Inventory-2-Restructured Form (MMPI-2-RF). Other measures targeted adherence, eating behaviors/body image, alcohol use, and quality of life. Postoperative MMPI-2-RF scores indicate psychosocial functioning is largely similar to previously published pre-surgical functioning data. Six-year weight loss outcomes were lower than previous studies reported for a similar postoperative time period (mean %total weight loss = 22.98%; standard deviation = 11.71), though quality of life scores were relatively high. Postoperative MMPI-2-RF scale scores were associated with poorer psychosocial functioning, reduced adherence, greater eating behaviors/body image concerns, greater alcohol use severity, lower quality of life, and less overall weight loss. Psychological dysfunction 6years after surgery is associated with various adverse outcomes. Ongoing, postoperative treatment may result in better long-term functioning for patients.