Background: Patients with somatoform disorders tend to report somatic complaints, while denying the influence of psychological factors: a pattern described as “illusory mental health”. The present study investigated if somatoform patients present themselves in this way. In this context we investigated features of personality organization), self-reported personality traits, symptomatology, and coping. Methods: A cross-sectional design was applied to 79 patients with somatoform disorders and 114 psychiatric controls. We compared the two groups regarding prevalence of the several profiles of personality organization, self-reported symptoms, coping and personality traits. Results: Compared to controls, the narcissistic subtype of the borderline personality organization was 2.5 times more prevalent among patients with somatoform disorders. Unexpectedly, the psychotic personality organization was also more prevalent among patients with somatoform disorders. Furthermore, patients with somatoform disorders rated themselves as more socially competent, with higher levels of self-esteem and greater ability to cope with problems. They also reported less anger and less depressive symptoms. However, they seem to recognize feelings of anxiety. Conclusion: Patients with somatoform disorders show a favourable self-presentation and in line with this a relatively high prevalence of the narcissistic personality organization. The favourable self-presentation in patients with somatoform disorders may be related to defensive denial, i.e. illusory mental health. The utility of self-reports may be limited in these patients, given their favourable self-presentation on these instruments. This has also implications for the use of self-reports in the context of assessing treatment outcome among patients with somatoform disorders, for example in the context of routine outcome monitoring. Somatization in patients with somatoform disorders might have an integrating preserving function. Future research should investigate the role of personality organization on treatment outcome for patients with somatoform disorders. Future research should also include observer ratings, complementary to self-reports, given the favourable self-presentation of SFD-patients.