Yes, you need to disclose it.
THESE COMMENTS ARE NOT LEGAL ADVICE. They are provided for informational purposes only. Actual legal advice can only be provided after consultation by an attorney licensed in your jurisdiction. Answering this question does not create an attorney-client relationship or otherwise require further consultation.
You must disclose all arrests and convictions.
You should also obtain copies of dispositions and arrests records.
If you are not candid with all the questions on the N-400 form, your application will be denied.
It is advisable to discuss any concerns with an immigration lawyer before you file the form.
You are welcome to use the link provided below.
You absolutely need to disclose it. Failure to do so can lead to denial of your application for fraud. Criminal matters can have a serious effect on naturalization applications and if not handled properly can often lead to the institution of removal proceedings. i suggest you consult with a qualified immigration attorney before filing your application.