If you are approved for citizenship, and if naturalization swearing-in ceremonies are conducted by a court in your area, then you will be able to change your name legally at the ceremony. Your name change will take effect immediately after the ceremony has ended.
Information on Name Change During Naturalization
in US Citizenship General Discussion
Posted · Edited by HarunKazmi
If you are approved for citizenship, and if naturalization swearing-in ceremonies are conducted by a court in your area, then you will be able to change your name legally at the ceremony. Your name change will take effect immediately after the ceremony has ended.
https://www.ksvisalaw.com/name-change-us-citizenship/