Privacy Act of 2001 - Prohibits the sale and disclosure of personally identifiable information by a commercial entity to a non-affiliated third party unless prescribed procedures for notice and opportunity to restrict such disclosure have been followed.

Grants the Federal Trade Commission enforcement authority.

Amends Federal criminal law to prohibit the display, sale, or purchase of social security numbers without the affirmatively expressed consent of the individual. Exempts certain public records containing social security numbers from such prohibition.

Amends the Social Security Act to prohibit the use of social security account numbers on: (1) checks issued for payment by governmental agencies; and (2) driver's licenses or motor vehicle registration.

Prohibits a commercial entity from requiring disclosure of an individual's social security number in order to obtain goods or services.

Imposes civil monetary penalties for misuse of a social security number.

Amends the Gramm-Leach-Bliley Act to make conforming limitations upon financial industry sale and sharing of non-public personal financial information.

Sets forth prohibitions against the selling or marketing of protected health information by specified entities.

Amends the Driver's Privacy Protection Act relating to proscriptions against release and use of certain personal information from State motor vehicle records to expand the definition of such personal information, and to include "highly restricted personal information" among such proscriptions.

Empowers State Attorneys General to enforce this Act . Establishes Federal injunctive authority regarding any violation of this Act.