Smuggled Tobacco Prevention Act of 2005

Smuggled Tobacco Prevention Act of 2005 - Amends the Internal Revenue Code to require all packages of tobacco products to carry a unique legibly printed serial number by which the Secretary of the Treasury can identify the manufacturer or importer and the location and date of manufacture or importation. Requires tobacco products sold on Indian reservations to be labeled as such.

Requires a person to post a bond with the Secretary in order to export tobacco products. Requires a tobacco wholesaler to have a permit and to maintain certain records.

Requires export warehouse proprietors to file certain reports with the Secretary. Authorizes the Secretary to enter into certain tobacco related information exchange agreements with foreign countries.

Establishes new criminal offenses relating to the distribution of tobacco products.

Raises the $1,000 civil penalty for violations relating to tobacco products to $10,000.

Amends the Contraband Cigarette Trafficking Act to: (1) expand the applicability of such Act from cigarettes only to tobacco products (cigars, cigarettes, smokeless tobacco, pipe tobacco, and roll-your-own tobacco); (2) define a "contraband tobacco product" as a quantity of tobacco product that is equivalent to or more than 2,000 cigarettes (currently, 60,000) which bear no evidence of the payment of applicable State tobacco taxes and that is possessed illegally; and (3) establish new unlawful acts.

Allows a State tobacco tax authority to bring a civil action in U.S. district court for the collection of State cigarette taxes.

Prohibits retaliation against employees (whistleblowers) who provide information in contraband tobacco cases. Provides for administrative and judicial remedies for such whistleblowers.