To amend section 349(a) of the Immigration and Nationality Act to add certain acts of allegiance to a foreign terrorist organization to the list of acts for which nationals of the United States lose nationality, and for other purposes.

Terrorist Denaturalization and Passport Revocation Act - Amends the Immigration and Nationality Act to include among the grounds for loss of U.S. nationality by a native-born or naturalized citizen: taking an oath or making a declaration of allegiance to a foreign terrorist organization after attaining the age of 18; entering or serving in the armed forces of a...