To amend title 4, United States Code, to declare English as the official language of the Government of the United States, and for other purposes.

National Language Act of 2005 - Makes English the official language of the U.S. government. Requires the government to: (1) conduct its official business in English, including publications, income tax forms, and informational materials; and (2) preserve and enhance the role of English as the official language of the United States of America. Provides that no person has a right, entitlement, or...