Millon devised a set of widely acknowledged subtypes for each of the DSM personality disorders:
- Sadistic personality disorder subtypes
- Self-defeating personality disorder subtypes
- Schizotypal personality disorder subtypes
- Schizoid personality disorder subtypes
- Paranoid personality disorder subtypes
- Antisocial personality disorder subtypes
- Borderline personality disorder subtypes
- Histrionic personality disorder subtypes
- Narcissistic personality disorder subtypes
- Dependent personality disorder subtypes
- Obsessive-compulsive personality disorder subtypes
- Avoidant personality disorder subtypes
- Passive-aggressive personality disorder subtypes
- Depressive personality disorder subtypes
- Exuberant/Hypomanic personality disorder subtypes