Enhanced Protection of Our Cultural Heritage Act of 2003

Enhanced Protection of Our Cultural Heritage Act of 2003 - Amends the Archaeological Resources Protection Act of 1979 to increase penalties for violating, or counseling, procuring, soliciting, or employing another to violate prohibitions regarding: (1) unauthorized excavation, removal, damage, alteration, or defacement of archaeological resources; (2) trafficking in archaeological resources the excavation or removal of which was wrongful under Federal law; and (3) trafficking in interstate or foreign commerce in archaeological resources the excavation, removal, sale, purchase, exchange, transportation, or receipt of which was wrongful under State or local law.

Amends the Federal criminal code to increase penalties for: (1) embezzlement and theft from Indian tribal organizations; and (2) illegal trafficking in Native American human remains and cultural items.