No. If you are a US citizen and have a valid US passport, you must enter the US using your US passport.You should not use your Italian passport to enter the US, as you are also a US citizen.This is because the US government allows but doesn't recognize your dual citizenship. For the US government, you are only a US citizen in the United States.A US citizen must use a US passport to enter and depart the US, irrespective of holding other passports/citizenships.