Petition for Change of Name
Sonoma Superior Court · Civil Forms Packets
⚠This form was updated 29 days ago — make sure you're using the latest version.
Last updated July 3, 2026
This form is used by someone who wants to legally change their name from one name to another through the court system. Anyone who wants an official, legally recognized name change—such as after marriage, divorce, personal preference, or other life circumstances—would need to file this form with Sonoma Superior Court.
This form must be printed and filled by hand, or opened in Adobe Acrobat.