IF i change my name, then, my birth certificate

[el_elegidopr]

I WOULD LIKE TO KNOW, I AM FOREIGN IMMIGRANT, I WOULD LIKE TO CHANGE MY OLDNAME ORLANDO TO JOHN IN MY NATURALIZATION CEREMONY, THE QUESTION IS, I AM FROM CENTRO AMERICA, WHAT WILL HAPPEN TO MY BIRTH OF CERTIFICATE IF THE NATURALIZACION CERTIFICATE DO NOT TELL YOUR OLD NAME?????? :eek

[immihelp]

Your birth certificate remains the same as that is the name you were given at the time of your birth.

[el_elegidopr]

i would like to know, if the naturalization certificate do not tell your old name after I change my name. Is it llegal to have 2names , i will have one name in my birth of certificate and other name in my naturalization if a change it?
suggestion?

IT is gonna be confusing, i will have 2 passport,
1.U.S PASSPORT WITH MY NEW NAME GIVEN BY NATURALIZATION.
2.MY CENTRAL AMERICA PASSPORT WITH MY OLD NAME

CAN I USE BOTH PASSPORT WITH DIFFERENT NAMES??