To obtain a legal name change in Wyoming, an applicant must submit a petition to the District Court in the county where you live. Please note you must be a resident of the county for at least two years before you can file. The applicant must publish notice in a newspaper once a week for a required period, however the publication can keep an applicant’s address confidential if the individual is a victim of domestic violence. (Wyo. Stat. Ann. §§ 1-25-101 to 1-25-104)
For instructions on legal name changes for minors under 18 in Wyoming, see NCTE's Name Changes for Minors in Wyoming resource.